Home / 3,456.28-5,177.34-2,342.20

Finding the Fourth Proportional to 3,456.28, 5,177.34 and 2,342.20

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Solution

The fourth proportional to 3,456.28, 5,177.34 and 2,342.20 is: 3,508.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,456.28 : 5,177.34 = 2,342.20 : x
  2. Step 2: Convert to fraction form
    3,456.28/5,177.34 = 2,342.20/x
  3. Step 3: Cross multiply
    3,456.28x = 5,177.34 × 2,342.20
  4. Step 4: Simplify right side
    3,456.28x = 12,126,365.75
  5. Step 5: Solve for x
    x = 12,126,365.75/3,456.28
  6. Step 6: Final answer
    x = 3,508.50

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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.