Home / 3,397.44-5,086.20-2,578.92

Finding the Fourth Proportional to 3,397.44, 5,086.20 and 2,578.92

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Solution

The fourth proportional to 3,397.44, 5,086.20 and 2,578.92 is: 3,860.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,397.44 : 5,086.20 = 2,578.92 : x
  2. Step 2: Convert to fraction form
    3,397.44/5,086.20 = 2,578.92/x
  3. Step 3: Cross multiply
    3,397.44x = 5,086.20 × 2,578.92
  4. Step 4: Simplify right side
    3,397.44x = 13,116,902.90
  5. Step 5: Solve for x
    x = 13,116,902.90/3,397.44
  6. Step 6: Final answer
    x = 3,860.82

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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.