Home / 3,815.20-5,725.50-2,254.24

Finding the Fourth Proportional to 3,815.20, 5,725.50 and 2,254.24

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Solution

The fourth proportional to 3,815.20, 5,725.50 and 2,254.24 is: 3,382.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,815.20 : 5,725.50 = 2,254.24 : x
  2. Step 2: Convert to fraction form
    3,815.20/5,725.50 = 2,254.24/x
  3. Step 3: Cross multiply
    3,815.20x = 5,725.50 × 2,254.24
  4. Step 4: Simplify right side
    3,815.20x = 12,906,651.12
  5. Step 5: Solve for x
    x = 12,906,651.12/3,815.20
  6. Step 6: Final answer
    x = 3,382.96

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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.