Home / 3,268.40-4,508.97-2,206.85

Finding the Fourth Proportional to 3,268.40, 4,508.97 and 2,206.85

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Solution

The fourth proportional to 3,268.40, 4,508.97 and 2,206.85 is: 3,044.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,268.40 : 4,508.97 = 2,206.85 : x
  2. Step 2: Convert to fraction form
    3,268.40/4,508.97 = 2,206.85/x
  3. Step 3: Cross multiply
    3,268.40x = 4,508.97 × 2,206.85
  4. Step 4: Simplify right side
    3,268.40x = 9,950,597.90
  5. Step 5: Solve for x
    x = 9,950,597.90/3,268.40
  6. Step 6: Final answer
    x = 3,044.49

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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.