Home / 3,917.84-5,877.31-1,144.72

Finding the Fourth Proportional to 3,917.84, 5,877.31 and 1,144.72

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Solution

The fourth proportional to 3,917.84, 5,877.31 and 1,144.72 is: 1,717.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,917.84 : 5,877.31 = 1,144.72 : x
  2. Step 2: Convert to fraction form
    3,917.84/5,877.31 = 1,144.72/x
  3. Step 3: Cross multiply
    3,917.84x = 5,877.31 × 1,144.72
  4. Step 4: Simplify right side
    3,917.84x = 6,727,862.47
  5. Step 5: Solve for x
    x = 6,727,862.47/3,917.84
  6. Step 6: Final answer
    x = 1,717.24

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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.