Home / 3,909.44-5,867.52-2,612.48

Finding the Fourth Proportional to 3,909.44, 5,867.52 and 2,612.48

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Solution

The fourth proportional to 3,909.44, 5,867.52 and 2,612.48 is: 3,920.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,909.44 : 5,867.52 = 2,612.48 : x
  2. Step 2: Convert to fraction form
    3,909.44/5,867.52 = 2,612.48/x
  3. Step 3: Cross multiply
    3,909.44x = 5,867.52 × 2,612.48
  4. Step 4: Simplify right side
    3,909.44x = 15,328,778.65
  5. Step 5: Solve for x
    x = 15,328,778.65/3,909.44
  6. Step 6: Final answer
    x = 3,920.97

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1.5x scale

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.