Home / 2,245.83-3,098.84-1,251.08

Finding the Fourth Proportional to 2,245.83, 3,098.84 and 1,251.08

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Solution

The fourth proportional to 2,245.83, 3,098.84 and 1,251.08 is: 1,726.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,245.83 : 3,098.84 = 1,251.08 : x
  2. Step 2: Convert to fraction form
    2,245.83/3,098.84 = 1,251.08/x
  3. Step 3: Cross multiply
    2,245.83x = 3,098.84 × 1,251.08
  4. Step 4: Simplify right side
    2,245.83x = 3,876,898.24
  5. Step 5: Solve for x
    x = 3,876,898.24/2,245.83
  6. Step 6: Final answer
    x = 1,726.27

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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.