Home / 3,943.22-5,914.42-1,131.95

Finding the Fourth Proportional to 3,943.22, 5,914.42 and 1,131.95

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Solution

The fourth proportional to 3,943.22, 5,914.42 and 1,131.95 is: 1,697.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,943.22 : 5,914.42 = 1,131.95 : x
  2. Step 2: Convert to fraction form
    3,943.22/5,914.42 = 1,131.95/x
  3. Step 3: Cross multiply
    3,943.22x = 5,914.42 × 1,131.95
  4. Step 4: Simplify right side
    3,943.22x = 6,694,839.68
  5. Step 5: Solve for x
    x = 6,694,839.68/3,943.22
  6. Step 6: Final answer
    x = 1,697.81

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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.