Home / 3,397.32-5,087.34-3,112.20

Finding the Fourth Proportional to 3,397.32, 5,087.34 and 3,112.20

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Solution

The fourth proportional to 3,397.32, 5,087.34 and 3,112.20 is: 4,660.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,397.32 : 5,087.34 = 3,112.20 : x
  2. Step 2: Convert to fraction form
    3,397.32/5,087.34 = 3,112.20/x
  3. Step 3: Cross multiply
    3,397.32x = 5,087.34 × 3,112.20
  4. Step 4: Simplify right side
    3,397.32x = 15,832,819.55
  5. Step 5: Solve for x
    x = 15,832,819.55/3,397.32
  6. Step 6: Final answer
    x = 4,660.39

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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.