Home / 3,913.22-5,399.96-2,234.70

Finding the Fourth Proportional to 3,913.22, 5,399.96 and 2,234.70

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Solution

The fourth proportional to 3,913.22, 5,399.96 and 2,234.70 is: 3,083.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,913.22 : 5,399.96 = 2,234.70 : x
  2. Step 2: Convert to fraction form
    3,913.22/5,399.96 = 2,234.70/x
  3. Step 3: Cross multiply
    3,913.22x = 5,399.96 × 2,234.70
  4. Step 4: Simplify right side
    3,913.22x = 12,067,290.61
  5. Step 5: Solve for x
    x = 12,067,290.61/3,913.22
  6. Step 6: Final answer
    x = 3,083.72

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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.