Home / 1,026.14-1,417.25-747.62

Finding the Fourth Proportional to 1,026.14, 1,417.25 and 747.62

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Solution

The fourth proportional to 1,026.14, 1,417.25 and 747.62 is: 1,032.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026.14 : 1,417.25 = 747.62 : x
  2. Step 2: Convert to fraction form
    1,026.14/1,417.25 = 747.62/x
  3. Step 3: Cross multiply
    1,026.14x = 1,417.25 × 747.62
  4. Step 4: Simplify right side
    1,026.14x = 1,059,553.62
  5. Step 5: Solve for x
    x = 1,059,553.62/1,026.14
  6. Step 6: Final answer
    x = 1,032.57

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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.