Home / 2,250.60-3,371.85-2,115.06

Finding the Fourth Proportional to 2,250.60, 3,371.85 and 2,115.06

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Solution

The fourth proportional to 2,250.60, 3,371.85 and 2,115.06 is: 3,168.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,250.60 : 3,371.85 = 2,115.06 : x
  2. Step 2: Convert to fraction form
    2,250.60/3,371.85 = 2,115.06/x
  3. Step 3: Cross multiply
    2,250.60x = 3,371.85 × 2,115.06
  4. Step 4: Simplify right side
    2,250.60x = 7,131,665.06
  5. Step 5: Solve for x
    x = 7,131,665.06/2,250.60
  6. Step 6: Final answer
    x = 3,168.78

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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.