Home / 2,245.91-3,099.30-1,251.13

Finding the Fourth Proportional to 2,245.91, 3,099.30 and 1,251.13

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Solution

The fourth proportional to 2,245.91, 3,099.30 and 1,251.13 is: 1,726.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,245.91 : 3,099.30 = 1,251.13 : x
  2. Step 2: Convert to fraction form
    2,245.91/3,099.30 = 1,251.13/x
  3. Step 3: Cross multiply
    2,245.91x = 3,099.30 × 1,251.13
  4. Step 4: Simplify right side
    2,245.91x = 3,877,627.21
  5. Step 5: Solve for x
    x = 3,877,627.21/2,245.91
  6. Step 6: Final answer
    x = 1,726.53

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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.