Home / 2,197.11-3,031.92-1,202.43

Finding the Fourth Proportional to 2,197.11, 3,031.92 and 1,202.43

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Solution

The fourth proportional to 2,197.11, 3,031.92 and 1,202.43 is: 1,659.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,197.11 : 3,031.92 = 1,202.43 : x
  2. Step 2: Convert to fraction form
    2,197.11/3,031.92 = 1,202.43/x
  3. Step 3: Cross multiply
    2,197.11x = 3,031.92 × 1,202.43
  4. Step 4: Simplify right side
    2,197.11x = 3,645,671.57
  5. Step 5: Solve for x
    x = 3,645,671.57/2,197.11
  6. Step 6: Final answer
    x = 1,659.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.