Home / 3,139.44-4,691.09-2,394.96

Finding the Fourth Proportional to 3,139.44, 4,691.09 and 2,394.96

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Solution

The fourth proportional to 3,139.44, 4,691.09 and 2,394.96 is: 3,578.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,139.44 : 4,691.09 = 2,394.96 : x
  2. Step 2: Convert to fraction form
    3,139.44/4,691.09 = 2,394.96/x
  3. Step 3: Cross multiply
    3,139.44x = 4,691.09 × 2,394.96
  4. Step 4: Simplify right side
    3,139.44x = 11,234,972.91
  5. Step 5: Solve for x
    x = 11,234,972.91/3,139.44
  6. Step 6: Final answer
    x = 3,578.66

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.