Home / 4,079.11-5,629.17-2,310.71

Finding the Fourth Proportional to 4,079.11, 5,629.17 and 2,310.71

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Solution

The fourth proportional to 4,079.11, 5,629.17 and 2,310.71 is: 3,188.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,079.11 : 5,629.17 = 2,310.71 : x
  2. Step 2: Convert to fraction form
    4,079.11/5,629.17 = 2,310.71/x
  3. Step 3: Cross multiply
    4,079.11x = 5,629.17 × 2,310.71
  4. Step 4: Simplify right side
    4,079.11x = 13,007,379.41
  5. Step 5: Solve for x
    x = 13,007,379.41/4,079.11
  6. Step 6: Final answer
    x = 3,188.78

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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.