Home / 3,414.19-5,121.39-1,334.11

Finding the Fourth Proportional to 3,414.19, 5,121.39 and 1,334.11

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Solution

The fourth proportional to 3,414.19, 5,121.39 and 1,334.11 is: 2,001.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,414.19 : 5,121.39 = 1,334.11 : x
  2. Step 2: Convert to fraction form
    3,414.19/5,121.39 = 1,334.11/x
  3. Step 3: Cross multiply
    3,414.19x = 5,121.39 × 1,334.11
  4. Step 4: Simplify right side
    3,414.19x = 6,832,497.61
  5. Step 5: Solve for x
    x = 6,832,497.61/3,414.19
  6. Step 6: Final answer
    x = 2,001.21

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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.