Home / 3,447.27-4,758.89-2,122.11

Finding the Fourth Proportional to 3,447.27, 4,758.89 and 2,122.11

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Solution

The fourth proportional to 3,447.27, 4,758.89 and 2,122.11 is: 2,929.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,447.27 : 4,758.89 = 2,122.11 : x
  2. Step 2: Convert to fraction form
    3,447.27/4,758.89 = 2,122.11/x
  3. Step 3: Cross multiply
    3,447.27x = 4,758.89 × 2,122.11
  4. Step 4: Simplify right side
    3,447.27x = 10,098,877.45
  5. Step 5: Solve for x
    x = 10,098,877.45/3,447.27
  6. Step 6: Final answer
    x = 2,929.53

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1.5x scale

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.