Home / 4,149.50-5,725.96-2,380.73

Finding the Fourth Proportional to 4,149.50, 5,725.96 and 2,380.73

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Solution

The fourth proportional to 4,149.50, 5,725.96 and 2,380.73 is: 3,285.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,149.50 : 5,725.96 = 2,380.73 : x
  2. Step 2: Convert to fraction form
    4,149.50/5,725.96 = 2,380.73/x
  3. Step 3: Cross multiply
    4,149.50x = 5,725.96 × 2,380.73
  4. Step 4: Simplify right side
    4,149.50x = 13,631,930.17
  5. Step 5: Solve for x
    x = 13,631,930.17/4,149.50
  6. Step 6: Final answer
    x = 3,285.20

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1.5x scale

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.