Home / 2,251.10-3,372.60-2,115.56

Finding the Fourth Proportional to 2,251.10, 3,372.60 and 2,115.56

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Solution

The fourth proportional to 2,251.10, 3,372.60 and 2,115.56 is: 3,169.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,251.10 : 3,372.60 = 2,115.56 : x
  2. Step 2: Convert to fraction form
    2,251.10/3,372.60 = 2,115.56/x
  3. Step 3: Cross multiply
    2,251.10x = 3,372.60 × 2,115.56
  4. Step 4: Simplify right side
    2,251.10x = 7,134,937.66
  5. Step 5: Solve for x
    x = 7,134,937.66/2,251.10
  6. Step 6: Final answer
    x = 3,169.53

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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.