Home / 3,964.11-5,946.42-1,331.41

Finding the Fourth Proportional to 3,964.11, 5,946.42 and 1,331.41

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Solution

The fourth proportional to 3,964.11, 5,946.42 and 1,331.41 is: 1,997.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,964.11 : 5,946.42 = 1,331.41 : x
  2. Step 2: Convert to fraction form
    3,964.11/5,946.42 = 1,331.41/x
  3. Step 3: Cross multiply
    3,964.11x = 5,946.42 × 1,331.41
  4. Step 4: Simplify right side
    3,964.11x = 7,917,119.72
  5. Step 5: Solve for x
    x = 7,917,119.72/3,964.11
  6. Step 6: Final answer
    x = 1,997.20

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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.