Home / 3,540.92-5,313.60-1,349.87

Finding the Fourth Proportional to 3,540.92, 5,313.60 and 1,349.87

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Solution

The fourth proportional to 3,540.92, 5,313.60 and 1,349.87 is: 2,025.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,540.92 : 5,313.60 = 1,349.87 : x
  2. Step 2: Convert to fraction form
    3,540.92/5,313.60 = 1,349.87/x
  3. Step 3: Cross multiply
    3,540.92x = 5,313.60 × 1,349.87
  4. Step 4: Simplify right side
    3,540.92x = 7,172,642.66
  5. Step 5: Solve for x
    x = 7,172,642.66/3,540.92
  6. Step 6: Final answer
    x = 2,025.65

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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.