Home / 3,197.18-4,767.57-2,808.80

Finding the Fourth Proportional to 3,197.18, 4,767.57 and 2,808.80

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Solution

The fourth proportional to 3,197.18, 4,767.57 and 2,808.80 is: 4,188.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,197.18 : 4,767.57 = 2,808.80 : x
  2. Step 2: Convert to fraction form
    3,197.18/4,767.57 = 2,808.80/x
  3. Step 3: Cross multiply
    3,197.18x = 4,767.57 × 2,808.80
  4. Step 4: Simplify right side
    3,197.18x = 13,391,150.62
  5. Step 5: Solve for x
    x = 13,391,150.62/3,197.18
  6. Step 6: Final answer
    x = 4,188.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.