Home / 3,495.75-5,251.11-2,198.13

Finding the Fourth Proportional to 3,495.75, 5,251.11 and 2,198.13

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Solution

The fourth proportional to 3,495.75, 5,251.11 and 2,198.13 is: 3,301.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,495.75 : 5,251.11 = 2,198.13 : x
  2. Step 2: Convert to fraction form
    3,495.75/5,251.11 = 2,198.13/x
  3. Step 3: Cross multiply
    3,495.75x = 5,251.11 × 2,198.13
  4. Step 4: Simplify right side
    3,495.75x = 11,542,622.42
  5. Step 5: Solve for x
    x = 11,542,622.42/3,495.75
  6. Step 6: Final answer
    x = 3,301.90

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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.