Home / 3,948.20-5,925.96-2,847.44

Finding the Fourth Proportional to 3,948.20, 5,925.96 and 2,847.44

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Solution

The fourth proportional to 3,948.20, 5,925.96 and 2,847.44 is: 4,273.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,948.20 : 5,925.96 = 2,847.44 : x
  2. Step 2: Convert to fraction form
    3,948.20/5,925.96 = 2,847.44/x
  3. Step 3: Cross multiply
    3,948.20x = 5,925.96 × 2,847.44
  4. Step 4: Simplify right side
    3,948.20x = 16,873,815.54
  5. Step 5: Solve for x
    x = 16,873,815.54/3,948.20
  6. Step 6: Final answer
    x = 4,273.80

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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.