Home / 3,438.22-5,153.76-2,614.78

Finding the Fourth Proportional to 3,438.22, 5,153.76 and 2,614.78

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Solution

The fourth proportional to 3,438.22, 5,153.76 and 2,614.78 is: 3,919.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,438.22 : 5,153.76 = 2,614.78 : x
  2. Step 2: Convert to fraction form
    3,438.22/5,153.76 = 2,614.78/x
  3. Step 3: Cross multiply
    3,438.22x = 5,153.76 × 2,614.78
  4. Step 4: Simplify right side
    3,438.22x = 13,475,948.57
  5. Step 5: Solve for x
    x = 13,475,948.57/3,438.22
  6. Step 6: Final answer
    x = 3,919.46

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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.