Home / 3,425.13-5,138.10-2,193.53

Finding the Fourth Proportional to 3,425.13, 5,138.10 and 2,193.53

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Solution

The fourth proportional to 3,425.13, 5,138.10 and 2,193.53 is: 3,290.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,425.13 : 5,138.10 = 2,193.53 : x
  2. Step 2: Convert to fraction form
    3,425.13/5,138.10 = 2,193.53/x
  3. Step 3: Cross multiply
    3,425.13x = 5,138.10 × 2,193.53
  4. Step 4: Simplify right side
    3,425.13x = 11,270,550.80
  5. Step 5: Solve for x
    x = 11,270,550.80/3,425.13
  6. Step 6: Final answer
    x = 3,290.55

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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.