Home / 3,961.29-5,931.30-2,722.60

Finding the Fourth Proportional to 3,961.29, 5,931.30 and 2,722.60

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Solution

The fourth proportional to 3,961.29, 5,931.30 and 2,722.60 is: 4,076.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,961.29 : 5,931.30 = 2,722.60 : x
  2. Step 2: Convert to fraction form
    3,961.29/5,931.30 = 2,722.60/x
  3. Step 3: Cross multiply
    3,961.29x = 5,931.30 × 2,722.60
  4. Step 4: Simplify right side
    3,961.29x = 16,148,557.38
  5. Step 5: Solve for x
    x = 16,148,557.38/3,961.29
  6. Step 6: Final answer
    x = 4,076.59

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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.