Home / 3,391.20-5,073.03-2,934.09

Finding the Fourth Proportional to 3,391.20, 5,073.03 and 2,934.09

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Solution

The fourth proportional to 3,391.20, 5,073.03 and 2,934.09 is: 4,389.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,391.20 : 5,073.03 = 2,934.09 : x
  2. Step 2: Convert to fraction form
    3,391.20/5,073.03 = 2,934.09/x
  3. Step 3: Cross multiply
    3,391.20x = 5,073.03 × 2,934.09
  4. Step 4: Simplify right side
    3,391.20x = 14,884,726.59
  5. Step 5: Solve for x
    x = 14,884,726.59/3,391.20
  6. Step 6: Final answer
    x = 4,389.22

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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.