Home / 2,838.96-4,229.90-2,679.82

Finding the Fourth Proportional to 2,838.96, 4,229.90 and 2,679.82

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Solution

The fourth proportional to 2,838.96, 4,229.90 and 2,679.82 is: 3,992.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,838.96 : 4,229.90 = 2,679.82 : x
  2. Step 2: Convert to fraction form
    2,838.96/4,229.90 = 2,679.82/x
  3. Step 3: Cross multiply
    2,838.96x = 4,229.90 × 2,679.82
  4. Step 4: Simplify right side
    2,838.96x = 11,335,370.62
  5. Step 5: Solve for x
    x = 11,335,370.62/2,838.96
  6. Step 6: Final answer
    x = 3,992.79

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.