Home / 3,197.78-4,797.08-1,249.73

Finding the Fourth Proportional to 3,197.78, 4,797.08 and 1,249.73

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Solution

The fourth proportional to 3,197.78, 4,797.08 and 1,249.73 is: 1,874.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,197.78 : 4,797.08 = 1,249.73 : x
  2. Step 2: Convert to fraction form
    3,197.78/4,797.08 = 1,249.73/x
  3. Step 3: Cross multiply
    3,197.78x = 4,797.08 × 1,249.73
  4. Step 4: Simplify right side
    3,197.78x = 5,995,054.79
  5. Step 5: Solve for x
    x = 5,995,054.79/3,197.78
  6. Step 6: Final answer
    x = 1,874.76

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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.