Home / 2,749.32-4,120.11-1,517.31

Finding the Fourth Proportional to 2,749.32, 4,120.11 and 1,517.31

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Solution

The fourth proportional to 2,749.32, 4,120.11 and 1,517.31 is: 2,273.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,749.32 : 4,120.11 = 1,517.31 : x
  2. Step 2: Convert to fraction form
    2,749.32/4,120.11 = 1,517.31/x
  3. Step 3: Cross multiply
    2,749.32x = 4,120.11 × 1,517.31
  4. Step 4: Simplify right side
    2,749.32x = 6,251,484.10
  5. Step 5: Solve for x
    x = 6,251,484.10/2,749.32
  6. Step 6: Final answer
    x = 2,273.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.