The perimeter of a rectangular garden is 4534 m. The length is 1125 m more than thrice the width. Find the length and the width of the rectangular garden. (Estimate to the nearest tenths place and verify the reasonableness).
Length is 19.2 m and width is 3.9 m
Length is 21.1 m and width is 2.1 m
Length is 18.3 m and width is 4.9 m
Length is 20.1 m and width is 2.9 m