Home / 3,171.25-4,750.10-2,575.58

Finding the Fourth Proportional to 3,171.25, 4,750.10 and 2,575.58

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Solution

The fourth proportional to 3,171.25, 4,750.10 and 2,575.58 is: 3,857.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171.25 : 4,750.10 = 2,575.58 : x
  2. Step 2: Convert to fraction form
    3,171.25/4,750.10 = 2,575.58/x
  3. Step 3: Cross multiply
    3,171.25x = 4,750.10 × 2,575.58
  4. Step 4: Simplify right side
    3,171.25x = 12,234,249.68
  5. Step 5: Solve for x
    x = 12,234,249.68/3,171.25
  6. Step 6: Final answer
    x = 3,857.87

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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.