Home / 3,197.39-4,789.73-2,500.80

Finding the Fourth Proportional to 3,197.39, 4,789.73 and 2,500.80

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Solution

The fourth proportional to 3,197.39, 4,789.73 and 2,500.80 is: 3,746.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,197.39 : 4,789.73 = 2,500.80 : x
  2. Step 2: Convert to fraction form
    3,197.39/4,789.73 = 2,500.80/x
  3. Step 3: Cross multiply
    3,197.39x = 4,789.73 × 2,500.80
  4. Step 4: Simplify right side
    3,197.39x = 11,978,156.78
  5. Step 5: Solve for x
    x = 11,978,156.78/3,197.39
  6. Step 6: Final answer
    x = 3,746.23

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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.