Finding the Fourth Proportional to 1,574.24, 2,361.12 and 548
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Solution
The fourth proportional to 1,574.24, 2,361.12 and 548 is: 821.92
Step by Step Solution
- Step 1: Write the proportion equation
1,574.24 : 2,361.12 = 548 : x - Step 2: Convert to fraction form
1,574.24/2,361.12 = 548/x - Step 3: Cross multiply
1,574.24x = 2,361.12 × 548 - Step 4: Simplify right side
1,574.24x = 1,293,893.76 - Step 5: Solve for x
x = 1,293,893.76/1,574.24 - Step 6: Final answer
x = 821.92
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.