Home / 3,713.40-5,569.16-2,231.78

Finding the Fourth Proportional to 3,713.40, 5,569.16 and 2,231.78

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Solution

The fourth proportional to 3,713.40, 5,569.16 and 2,231.78 is: 3,347.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,713.40 : 5,569.16 = 2,231.78 : x
  2. Step 2: Convert to fraction form
    3,713.40/5,569.16 = 2,231.78/x
  3. Step 3: Cross multiply
    3,713.40x = 5,569.16 × 2,231.78
  4. Step 4: Simplify right side
    3,713.40x = 12,429,100.90
  5. Step 5: Solve for x
    x = 12,429,100.90/3,713.40
  6. Step 6: Final answer
    x = 3,347.09

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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.