Home / 3,145.75-4,720.67-1,197.97

Finding the Fourth Proportional to 3,145.75, 4,720.67 and 1,197.97

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Solution

The fourth proportional to 3,145.75, 4,720.67 and 1,197.97 is: 1,797.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,145.75 : 4,720.67 = 1,197.97 : x
  2. Step 2: Convert to fraction form
    3,145.75/4,720.67 = 1,197.97/x
  3. Step 3: Cross multiply
    3,145.75x = 4,720.67 × 1,197.97
  4. Step 4: Simplify right side
    3,145.75x = 5,655,221.04
  5. Step 5: Solve for x
    x = 5,655,221.04/3,145.75
  6. Step 6: Final answer
    x = 1,797.73

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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.