Home / 3,961.15-5,942.62-2,111.29

Finding the Fourth Proportional to 3,961.15, 5,942.62 and 2,111.29

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Solution

The fourth proportional to 3,961.15, 5,942.62 and 2,111.29 is: 3,167.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,961.15 : 5,942.62 = 2,111.29 : x
  2. Step 2: Convert to fraction form
    3,961.15/5,942.62 = 2,111.29/x
  3. Step 3: Cross multiply
    3,961.15x = 5,942.62 × 2,111.29
  4. Step 4: Simplify right side
    3,961.15x = 12,546,581.96
  5. Step 5: Solve for x
    x = 12,546,581.96/3,961.15
  6. Step 6: Final answer
    x = 3,167.41

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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.