Home / 3,965.54-5,472.28-2,197.10

Finding the Fourth Proportional to 3,965.54, 5,472.28 and 2,197.10

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Solution

The fourth proportional to 3,965.54, 5,472.28 and 2,197.10 is: 3,031.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,965.54 : 5,472.28 = 2,197.10 : x
  2. Step 2: Convert to fraction form
    3,965.54/5,472.28 = 2,197.10/x
  3. Step 3: Cross multiply
    3,965.54x = 5,472.28 × 2,197.10
  4. Step 4: Simplify right side
    3,965.54x = 12,023,146.39
  5. Step 5: Solve for x
    x = 12,023,146.39/3,965.54
  6. Step 6: Final answer
    x = 3,031.91

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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.