Home / 1,001.28-1,381.89-602.96

Finding the Fourth Proportional to 1,001.28, 1,381.89 and 602.96

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Solution

The fourth proportional to 1,001.28, 1,381.89 and 602.96 is: 832.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001.28 : 1,381.89 = 602.96 : x
  2. Step 2: Convert to fraction form
    1,001.28/1,381.89 = 602.96/x
  3. Step 3: Cross multiply
    1,001.28x = 1,381.89 × 602.96
  4. Step 4: Simplify right side
    1,001.28x = 833,227.52
  5. Step 5: Solve for x
    x = 833,227.52/1,001.28
  6. Step 6: Final answer
    x = 832.16

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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.