Home / 3,917.94-5,877.82-1,144.65

Finding the Fourth Proportional to 3,917.94, 5,877.82 and 1,144.65

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Solution

The fourth proportional to 3,917.94, 5,877.82 and 1,144.65 is: 1,717.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,917.94 : 5,877.82 = 1,144.65 : x
  2. Step 2: Convert to fraction form
    3,917.94/5,877.82 = 1,144.65/x
  3. Step 3: Cross multiply
    3,917.94x = 5,877.82 × 1,144.65
  4. Step 4: Simplify right side
    3,917.94x = 6,728,030.63
  5. Step 5: Solve for x
    x = 6,728,030.63/3,917.94
  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.