Home / 3,943.11-5,914.98-1,310.52

Finding the Fourth Proportional to 3,943.11, 5,914.98 and 1,310.52

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Solution

The fourth proportional to 3,943.11, 5,914.98 and 1,310.52 is: 1,965.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,943.11 : 5,914.98 = 1,310.52 : x
  2. Step 2: Convert to fraction form
    3,943.11/5,914.98 = 1,310.52/x
  3. Step 3: Cross multiply
    3,943.11x = 5,914.98 × 1,310.52
  4. Step 4: Simplify right side
    3,943.11x = 7,751,699.59
  5. Step 5: Solve for x
    x = 7,751,699.59/3,943.11
  6. Step 6: Final answer
    x = 1,965.88

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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.