Home / 1,999.09-2,757.57-1,251.73

Finding the Fourth Proportional to 1,999.09, 2,757.57 and 1,251.73

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Solution

The fourth proportional to 1,999.09, 2,757.57 and 1,251.73 is: 1,726.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,999.09 : 2,757.57 = 1,251.73 : x
  2. Step 2: Convert to fraction form
    1,999.09/2,757.57 = 1,251.73/x
  3. Step 3: Cross multiply
    1,999.09x = 2,757.57 × 1,251.73
  4. Step 4: Simplify right side
    1,999.09x = 3,451,733.10
  5. Step 5: Solve for x
    x = 3,451,733.10/1,999.09
  6. Step 6: Final answer
    x = 1,726.65

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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.