Home / 2,247.26-3,101.34-1,252.76

Finding the Fourth Proportional to 2,247.26, 3,101.34 and 1,252.76

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Solution

The fourth proportional to 2,247.26, 3,101.34 and 1,252.76 is: 1,728.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,247.26 : 3,101.34 = 1,252.76 : x
  2. Step 2: Convert to fraction form
    2,247.26/3,101.34 = 1,252.76/x
  3. Step 3: Cross multiply
    2,247.26x = 3,101.34 × 1,252.76
  4. Step 4: Simplify right side
    2,247.26x = 3,885,234.70
  5. Step 5: Solve for x
    x = 3,885,234.70/2,247.26
  6. Step 6: Final answer
    x = 1,728.88

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Half scale
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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.