Home / 1,177.48-1,766.24-397.49

Finding the Fourth Proportional to 1,177.48, 1,766.24 and 397.49

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Solution

The fourth proportional to 1,177.48, 1,766.24 and 397.49 is: 596.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177.48 : 1,766.24 = 397.49 : x
  2. Step 2: Convert to fraction form
    1,177.48/1,766.24 = 397.49/x
  3. Step 3: Cross multiply
    1,177.48x = 1,766.24 × 397.49
  4. Step 4: Simplify right side
    1,177.48x = 702,060.75
  5. Step 5: Solve for x
    x = 702,060.75/1,177.48
  6. Step 6: Final answer
    x = 596.24

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Double scale
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1.5x scale

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.