Home / 3,398.20-5,094.28-2,738.92

Finding the Fourth Proportional to 3,398.20, 5,094.28 and 2,738.92

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Solution

The fourth proportional to 3,398.20, 5,094.28 and 2,738.92 is: 4,105.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,398.20 : 5,094.28 = 2,738.92 : x
  2. Step 2: Convert to fraction form
    3,398.20/5,094.28 = 2,738.92/x
  3. Step 3: Cross multiply
    3,398.20x = 5,094.28 × 2,738.92
  4. Step 4: Simplify right side
    3,398.20x = 13,952,825.38
  5. Step 5: Solve for x
    x = 13,952,825.38/3,398.20
  6. Step 6: Final answer
    x = 4,105.95

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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.