Home / 3,722.20-5,134.18-2,393.80

Finding the Fourth Proportional to 3,722.20, 5,134.18 and 2,393.80

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Solution

The fourth proportional to 3,722.20, 5,134.18 and 2,393.80 is: 3,301.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,722.20 : 5,134.18 = 2,393.80 : x
  2. Step 2: Convert to fraction form
    3,722.20/5,134.18 = 2,393.80/x
  3. Step 3: Cross multiply
    3,722.20x = 5,134.18 × 2,393.80
  4. Step 4: Simplify right side
    3,722.20x = 12,290,200.08
  5. Step 5: Solve for x
    x = 12,290,200.08/3,722.20
  6. Step 6: Final answer
    x = 3,301.86

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1.5x scale

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.