Home / 3,943.27-5,914.13-1,310.36

Finding the Fourth Proportional to 3,943.27, 5,914.13 and 1,310.36

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Solution

The fourth proportional to 3,943.27, 5,914.13 and 1,310.36 is: 1,965.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,943.27 : 5,914.13 = 1,310.36 : x
  2. Step 2: Convert to fraction form
    3,943.27/5,914.13 = 1,310.36/x
  3. Step 3: Cross multiply
    3,943.27x = 5,914.13 × 1,310.36
  4. Step 4: Simplify right side
    3,943.27x = 7,749,639.39
  5. Step 5: Solve for x
    x = 7,749,639.39/3,943.27
  6. Step 6: Final answer
    x = 1,965.28

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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.