Home / 3,961.41-5,942.66-2,112.45

Finding the Fourth Proportional to 3,961.41, 5,942.66 and 2,112.45

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Solution

The fourth proportional to 3,961.41, 5,942.66 and 2,112.45 is: 3,168.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,961.41 : 5,942.66 = 2,112.45 : x
  2. Step 2: Convert to fraction form
    3,961.41/5,942.66 = 2,112.45/x
  3. Step 3: Cross multiply
    3,961.41x = 5,942.66 × 2,112.45
  4. Step 4: Simplify right side
    3,961.41x = 12,553,561.55
  5. Step 5: Solve for x
    x = 12,553,561.55/3,961.41
  6. Step 6: Final answer
    x = 3,168.96

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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.