Finding the Fourth Proportional to 1,450, 2,174.97 and 525.21
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Solution
The fourth proportional to 1,450, 2,174.97 and 525.21 is: 787.80
Step by Step Solution
- Step 1: Write the proportion equation
1,450 : 2,174.97 = 525.21 : x - Step 2: Convert to fraction form
1,450/2,174.97 = 525.21/x - Step 3: Cross multiply
1,450x = 2,174.97 × 525.21 - Step 4: Simplify right side
1,450x = 1,142,315.99 - Step 5: Solve for x
x = 1,142,315.99/1,450 - Step 6: Final answer
x = 787.80
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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.