Home / 3,952.58-5,454.29-2,184.05

Finding the Fourth Proportional to 3,952.58, 5,454.29 and 2,184.05

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Solution

The fourth proportional to 3,952.58, 5,454.29 and 2,184.05 is: 3,013.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,952.58 : 5,454.29 = 2,184.05 : x
  2. Step 2: Convert to fraction form
    3,952.58/5,454.29 = 2,184.05/x
  3. Step 3: Cross multiply
    3,952.58x = 5,454.29 × 2,184.05
  4. Step 4: Simplify right side
    3,952.58x = 11,912,418.20
  5. Step 5: Solve for x
    x = 11,912,418.20/3,952.58
  6. Step 6: Final answer
    x = 3,013.83

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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.