Home / 2,247.43-3,101.55-1,252.70

Finding the Fourth Proportional to 2,247.43, 3,101.55 and 1,252.70

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Solution

The fourth proportional to 2,247.43, 3,101.55 and 1,252.70 is: 1,728.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,247.43 : 3,101.55 = 1,252.70 : x
  2. Step 2: Convert to fraction form
    2,247.43/3,101.55 = 1,252.70/x
  3. Step 3: Cross multiply
    2,247.43x = 3,101.55 × 1,252.70
  4. Step 4: Simplify right side
    2,247.43x = 3,885,311.69
  5. Step 5: Solve for x
    x = 3,885,311.69/2,247.43
  6. Step 6: Final answer
    x = 1,728.78

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1.5x scale

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.