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Finding the Fourth Proportional to 3,919.04, 5,879.90 and 2,456.44

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Solution

The fourth proportional to 3,919.04, 5,879.90 and 2,456.44 is: 3,685.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,919.04 : 5,879.90 = 2,456.44 : x
  2. Step 2: Convert to fraction form
    3,919.04/5,879.90 = 2,456.44/x
  3. Step 3: Cross multiply
    3,919.04x = 5,879.90 × 2,456.44
  4. Step 4: Simplify right side
    3,919.04x = 14,443,621.56
  5. Step 5: Solve for x
    x = 14,443,621.56/3,919.04
  6. Step 6: Final answer
    x = 3,685.50

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Similar ratio
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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.