Home / 3,542.47-5,306.41-2,078.09

Finding the Fourth Proportional to 3,542.47, 5,306.41 and 2,078.09

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Solution

The fourth proportional to 3,542.47, 5,306.41 and 2,078.09 is: 3,112.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,542.47 : 5,306.41 = 2,078.09 : x
  2. Step 2: Convert to fraction form
    3,542.47/5,306.41 = 2,078.09/x
  3. Step 3: Cross multiply
    3,542.47x = 5,306.41 × 2,078.09
  4. Step 4: Simplify right side
    3,542.47x = 11,027,197.56
  5. Step 5: Solve for x
    x = 11,027,197.56/3,542.47
  6. Step 6: Final answer
    x = 3,112.86

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1.5x scale

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.