Home / 3,414.11-5,121.16-1,074.32

Finding the Fourth Proportional to 3,414.11, 5,121.16 and 1,074.32

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Solution

The fourth proportional to 3,414.11, 5,121.16 and 1,074.32 is: 1,611.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,414.11 : 5,121.16 = 1,074.32 : x
  2. Step 2: Convert to fraction form
    3,414.11/5,121.16 = 1,074.32/x
  3. Step 3: Cross multiply
    3,414.11x = 5,121.16 × 1,074.32
  4. Step 4: Simplify right side
    3,414.11x = 5,501,764.61
  5. Step 5: Solve for x
    x = 5,501,764.61/3,414.11
  6. Step 6: Final answer
    x = 1,611.48

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Similar ratio
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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.