Home / 3,190.92-4,781.76-2,268.30

Finding the Fourth Proportional to 3,190.92, 4,781.76 and 2,268.30

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Solution

The fourth proportional to 3,190.92, 4,781.76 and 2,268.30 is: 3,399.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,190.92 : 4,781.76 = 2,268.30 : x
  2. Step 2: Convert to fraction form
    3,190.92/4,781.76 = 2,268.30/x
  3. Step 3: Cross multiply
    3,190.92x = 4,781.76 × 2,268.30
  4. Step 4: Simplify right side
    3,190.92x = 10,846,466.21
  5. Step 5: Solve for x
    x = 10,846,466.21/3,190.92
  6. Step 6: Final answer
    x = 3,399.17

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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.