Home / 2,649.38-3,974.48-1,350.14

Finding the Fourth Proportional to 2,649.38, 3,974.48 and 1,350.14

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Solution

The fourth proportional to 2,649.38, 3,974.48 and 1,350.14 is: 2,025.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,649.38 : 3,974.48 = 1,350.14 : x
  2. Step 2: Convert to fraction form
    2,649.38/3,974.48 = 1,350.14/x
  3. Step 3: Cross multiply
    2,649.38x = 3,974.48 × 1,350.14
  4. Step 4: Simplify right side
    2,649.38x = 5,366,104.43
  5. Step 5: Solve for x
    x = 5,366,104.43/2,649.38
  6. Step 6: Final answer
    x = 2,025.42

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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.