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Finding the Fourth Proportional to 1,132.36, 1,562.63 and 635.03

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Solution

The fourth proportional to 1,132.36, 1,562.63 and 635.03 is: 876.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132.36 : 1,562.63 = 635.03 : x
  2. Step 2: Convert to fraction form
    1,132.36/1,562.63 = 635.03/x
  3. Step 3: Cross multiply
    1,132.36x = 1,562.63 × 635.03
  4. Step 4: Simplify right side
    1,132.36x = 992,305.94
  5. Step 5: Solve for x
    x = 992,305.94/1,132.36
  6. Step 6: Final answer
    x = 876.32

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.