Home / 3,197.46-4,403.67-2,755.20

Finding the Fourth Proportional to 3,197.46, 4,403.67 and 2,755.20

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Solution

The fourth proportional to 3,197.46, 4,403.67 and 2,755.20 is: 3,794.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,197.46 : 4,403.67 = 2,755.20 : x
  2. Step 2: Convert to fraction form
    3,197.46/4,403.67 = 2,755.20/x
  3. Step 3: Cross multiply
    3,197.46x = 4,403.67 × 2,755.20
  4. Step 4: Simplify right side
    3,197.46x = 12,132,991.58
  5. Step 5: Solve for x
    x = 12,132,991.58/3,197.46
  6. Step 6: Final answer
    x = 3,794.57

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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.