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Finding the Fourth Proportional to 2,245.63, 3,098.82 and 1,250.86

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Solution

The fourth proportional to 2,245.63, 3,098.82 and 1,250.86 is: 1,726.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,245.63 : 3,098.82 = 1,250.86 : x
  2. Step 2: Convert to fraction form
    2,245.63/3,098.82 = 1,250.86/x
  3. Step 3: Cross multiply
    2,245.63x = 3,098.82 × 1,250.86
  4. Step 4: Simplify right side
    2,245.63x = 3,876,189.99
  5. Step 5: Solve for x
    x = 3,876,189.99/2,245.63
  6. Step 6: Final answer
    x = 1,726.10

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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.