Home / 1,339.38-2,009.14-473.76

Finding the Fourth Proportional to 1,339.38, 2,009.14 and 473.76

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Solution

The fourth proportional to 1,339.38, 2,009.14 and 473.76 is: 710.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339.38 : 2,009.14 = 473.76 : x
  2. Step 2: Convert to fraction form
    1,339.38/2,009.14 = 473.76/x
  3. Step 3: Cross multiply
    1,339.38x = 2,009.14 × 473.76
  4. Step 4: Simplify right side
    1,339.38x = 951,850.17
  5. Step 5: Solve for x
    x = 951,850.17/1,339.38
  6. Step 6: Final answer
    x = 710.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.