Finding the Fourth Proportional to 3,568.48, 5,352.18 and 971.62
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Solution
The fourth proportional to 3,568.48, 5,352.18 and 971.62 is: 1,457.28
Step by Step Solution
- Step 1: Write the proportion equation
3,568.48 : 5,352.18 = 971.62 : x - Step 2: Convert to fraction form
3,568.48/5,352.18 = 971.62/x - Step 3: Cross multiply
3,568.48x = 5,352.18 × 971.62 - Step 4: Simplify right side
3,568.48x = 5,200,285.13 - Step 5: Solve for x
x = 5,200,285.13/3,568.48 - Step 6: Final answer
x = 1,457.28
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.