Home / 3,149.20-4,351.89-2,361.88

Finding the Fourth Proportional to 3,149.20, 4,351.89 and 2,361.88

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Solution

The fourth proportional to 3,149.20, 4,351.89 and 2,361.88 is: 3,263.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,149.20 : 4,351.89 = 2,361.88 : x
  2. Step 2: Convert to fraction form
    3,149.20/4,351.89 = 2,361.88/x
  3. Step 3: Cross multiply
    3,149.20x = 4,351.89 × 2,361.88
  4. Step 4: Simplify right side
    3,149.20x = 10,278,641.95
  5. Step 5: Solve for x
    x = 10,278,641.95/3,149.20
  6. Step 6: Final answer
    x = 3,263.89

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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.