Home / 3,918.76-5,877.56-1,144.68

Finding the Fourth Proportional to 3,918.76, 5,877.56 and 1,144.68

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Solution

The fourth proportional to 3,918.76, 5,877.56 and 1,144.68 is: 1,716.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,918.76 : 5,877.56 = 1,144.68 : x
  2. Step 2: Convert to fraction form
    3,918.76/5,877.56 = 1,144.68/x
  3. Step 3: Cross multiply
    3,918.76x = 5,877.56 × 1,144.68
  4. Step 4: Simplify right side
    3,918.76x = 6,727,919.66
  5. Step 5: Solve for x
    x = 6,727,919.66/3,918.76
  6. Step 6: Final answer
    x = 1,716.85

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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.