Home / 3,132.57-4,321.23-1,996.13

Finding the Fourth Proportional to 3,132.57, 4,321.23 and 1,996.13

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Solution

The fourth proportional to 3,132.57, 4,321.23 and 1,996.13 is: 2,753.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,132.57 : 4,321.23 = 1,996.13 : x
  2. Step 2: Convert to fraction form
    3,132.57/4,321.23 = 1,996.13/x
  3. Step 3: Cross multiply
    3,132.57x = 4,321.23 × 1,996.13
  4. Step 4: Simplify right side
    3,132.57x = 8,625,727.08
  5. Step 5: Solve for x
    x = 8,625,727.08/3,132.57
  6. Step 6: Final answer
    x = 2,753.56

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.