Home / 3,943.14-5,914.86-1,310.87

Finding the Fourth Proportional to 3,943.14, 5,914.86 and 1,310.87

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Solution

The fourth proportional to 3,943.14, 5,914.86 and 1,310.87 is: 1,966.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,943.14 : 5,914.86 = 1,310.87 : x
  2. Step 2: Convert to fraction form
    3,943.14/5,914.86 = 1,310.87/x
  3. Step 3: Cross multiply
    3,943.14x = 5,914.86 × 1,310.87
  4. Step 4: Simplify right side
    3,943.14x = 7,753,622.40
  5. Step 5: Solve for x
    x = 7,753,622.40/3,943.14
  6. Step 6: Final answer
    x = 1,966.36

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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.