Home / 2,747.48-3,791.90-1,568.74

Finding the Fourth Proportional to 2,747.48, 3,791.90 and 1,568.74

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Solution

The fourth proportional to 2,747.48, 3,791.90 and 1,568.74 is: 2,165.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,747.48 : 3,791.90 = 1,568.74 : x
  2. Step 2: Convert to fraction form
    2,747.48/3,791.90 = 1,568.74/x
  3. Step 3: Cross multiply
    2,747.48x = 3,791.90 × 1,568.74
  4. Step 4: Simplify right side
    2,747.48x = 5,948,505.21
  5. Step 5: Solve for x
    x = 5,948,505.21/2,747.48
  6. Step 6: Final answer
    x = 2,165.08

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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.