Home / 1,744.29-2,614.46-865.70

Finding the Fourth Proportional to 1,744.29, 2,614.46 and 865.70

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Solution

The fourth proportional to 1,744.29, 2,614.46 and 865.70 is: 1,297.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,744.29 : 2,614.46 = 865.70 : x
  2. Step 2: Convert to fraction form
    1,744.29/2,614.46 = 865.70/x
  3. Step 3: Cross multiply
    1,744.29x = 2,614.46 × 865.70
  4. Step 4: Simplify right side
    1,744.29x = 2,263,323.87
  5. Step 5: Solve for x
    x = 2,263,323.87/1,744.29
  6. Step 6: Final answer
    x = 1,297.56

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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.