Home / 2,904.15-4,003.92-2,229.96

Finding the Fourth Proportional to 2,904.15, 4,003.92 and 2,229.96

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Solution

The fourth proportional to 2,904.15, 4,003.92 and 2,229.96 is: 3,074.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,904.15 : 4,003.92 = 2,229.96 : x
  2. Step 2: Convert to fraction form
    2,904.15/4,003.92 = 2,229.96/x
  3. Step 3: Cross multiply
    2,904.15x = 4,003.92 × 2,229.96
  4. Step 4: Simplify right side
    2,904.15x = 8,928,581.44
  5. Step 5: Solve for x
    x = 8,928,581.44/2,904.15
  6. Step 6: Final answer
    x = 3,074.42

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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.