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Finding the Fourth Proportional to 1,132.39, 1,562.62 and 635.02

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Solution

The fourth proportional to 1,132.39, 1,562.62 and 635.02 is: 876.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132.39 : 1,562.62 = 635.02 : x
  2. Step 2: Convert to fraction form
    1,132.39/1,562.62 = 635.02/x
  3. Step 3: Cross multiply
    1,132.39x = 1,562.62 × 635.02
  4. Step 4: Simplify right side
    1,132.39x = 992,294.95
  5. Step 5: Solve for x
    x = 992,294.95/1,132.39
  6. Step 6: Final answer
    x = 876.28

Related Problems

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Half scale
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Double scale
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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.