Queen's Park booked their place in the Second Division play-off final against East Fife with a win at Gayfield. Leading 2-0 from the first leg, the Spiders went ahead on 32 minutes when Peter Weatherstone slipped a composed shot past goalkeeper Mark Peat.
And two minutes before the break Alan Trouten doubled the advantage with a neat finish.
The home side hit back when Paul Tosh headed home from close range following Bryan Scott's cross.
Arbroath: Peat, McMullen, McCulloch, Raeside (Sellars 46), Bishop, Dobbins, Black, Smith (Martin 85), Tosh, Scott, Stein (Reilly 46). Subs Not Used: Webster, Morrison.
Booked: Scott, Tosh, Sellars.
Goals: Tosh 50.
Queen's Park: Crawford, Paton, Michael Dunlop, Trouten (Carroll 77), Agostini (Sinclair 48), Canning, Kettlewell, Cairney, Ronald, Weatherston (Dunn 85), Ferry. Subs Not Used: Bowers, Cowie.
Booked: Paton, Sinclair.
Goals: Weatherston 32, Trouten 43.
Att: 1,114