Home / 3,542.25-5,306.09-2,077.88

Finding the Fourth Proportional to 3,542.25, 5,306.09 and 2,077.88

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Solution

The fourth proportional to 3,542.25, 5,306.09 and 2,077.88 is: 3,112.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,542.25 : 5,306.09 = 2,077.88 : x
  2. Step 2: Convert to fraction form
    3,542.25/5,306.09 = 2,077.88/x
  3. Step 3: Cross multiply
    3,542.25x = 5,306.09 × 2,077.88
  4. Step 4: Simplify right side
    3,542.25x = 11,025,393.06
  5. Step 5: Solve for x
    x = 11,025,393.06/3,542.25
  6. Step 6: Final answer
    x = 3,112.54

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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.