Home / 3,961.11-5,938.97-2,009.55

Finding the Fourth Proportional to 3,961.11, 5,938.97 and 2,009.55

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Solution

The fourth proportional to 3,961.11, 5,938.97 and 2,009.55 is: 3,012.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,961.11 : 5,938.97 = 2,009.55 : x
  2. Step 2: Convert to fraction form
    3,961.11/5,938.97 = 2,009.55/x
  3. Step 3: Cross multiply
    3,961.11x = 5,938.97 × 2,009.55
  4. Step 4: Simplify right side
    3,961.11x = 11,934,647.12
  5. Step 5: Solve for x
    x = 11,934,647.12/3,961.11
  6. Step 6: Final answer
    x = 3,012.96

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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.