Home / 2,929.38-4,391.70-2,002.62

Finding the Fourth Proportional to 2,929.38, 4,391.70 and 2,002.62

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Solution

The fourth proportional to 2,929.38, 4,391.70 and 2,002.62 is: 3,002.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,929.38 : 4,391.70 = 2,002.62 : x
  2. Step 2: Convert to fraction form
    2,929.38/4,391.70 = 2,002.62/x
  3. Step 3: Cross multiply
    2,929.38x = 4,391.70 × 2,002.62
  4. Step 4: Simplify right side
    2,929.38x = 8,794,906.25
  5. Step 5: Solve for x
    x = 8,794,906.25/2,929.38
  6. Step 6: Final answer
    x = 3,002.31

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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.