Home / 3,961.75-5,940.57-2,112.37

Finding the Fourth Proportional to 3,961.75, 5,940.57 and 2,112.37

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Solution

The fourth proportional to 3,961.75, 5,940.57 and 2,112.37 is: 3,167.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,961.75 : 5,940.57 = 2,112.37 : x
  2. Step 2: Convert to fraction form
    3,961.75/5,940.57 = 2,112.37/x
  3. Step 3: Cross multiply
    3,961.75x = 5,940.57 × 2,112.37
  4. Step 4: Simplify right side
    3,961.75x = 12,548,681.85
  5. Step 5: Solve for x
    x = 12,548,681.85/3,961.75
  6. Step 6: Final answer
    x = 3,167.46

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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.