Home / 3,167.88-4,374.36-2,380.56

Finding the Fourth Proportional to 3,167.88, 4,374.36 and 2,380.56

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Solution

The fourth proportional to 3,167.88, 4,374.36 and 2,380.56 is: 3,287.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,167.88 : 4,374.36 = 2,380.56 : x
  2. Step 2: Convert to fraction form
    3,167.88/4,374.36 = 2,380.56/x
  3. Step 3: Cross multiply
    3,167.88x = 4,374.36 × 2,380.56
  4. Step 4: Simplify right side
    3,167.88x = 10,413,426.44
  5. Step 5: Solve for x
    x = 10,413,426.44/3,167.88
  6. Step 6: Final answer
    x = 3,287.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.