Home / 3,268.38-4,493.76-2,910.99

Finding the Fourth Proportional to 3,268.38, 4,493.76 and 2,910.99

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Solution

The fourth proportional to 3,268.38, 4,493.76 and 2,910.99 is: 4,002.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,268.38 : 4,493.76 = 2,910.99 : x
  2. Step 2: Convert to fraction form
    3,268.38/4,493.76 = 2,910.99/x
  3. Step 3: Cross multiply
    3,268.38x = 4,493.76 × 2,910.99
  4. Step 4: Simplify right side
    3,268.38x = 13,081,290.42
  5. Step 5: Solve for x
    x = 13,081,290.42/3,268.38
  6. Step 6: Final answer
    x = 4,002.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.