Home / 3,918.50-5,879.27-1,725.68

Finding the Fourth Proportional to 3,918.50, 5,879.27 and 1,725.68

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Solution

The fourth proportional to 3,918.50, 5,879.27 and 1,725.68 is: 2,589.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,918.50 : 5,879.27 = 1,725.68 : x
  2. Step 2: Convert to fraction form
    3,918.50/5,879.27 = 1,725.68/x
  3. Step 3: Cross multiply
    3,918.50x = 5,879.27 × 1,725.68
  4. Step 4: Simplify right side
    3,918.50x = 10,145,757.67
  5. Step 5: Solve for x
    x = 10,145,757.67/3,918.50
  6. Step 6: Final answer
    x = 2,589.20

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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.