Home / 3,992.27-5,508.83-2,290.68

Finding the Fourth Proportional to 3,992.27, 5,508.83 and 2,290.68

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Solution

The fourth proportional to 3,992.27, 5,508.83 and 2,290.68 is: 3,160.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,992.27 : 5,508.83 = 2,290.68 : x
  2. Step 2: Convert to fraction form
    3,992.27/5,508.83 = 2,290.68/x
  3. Step 3: Cross multiply
    3,992.27x = 5,508.83 × 2,290.68
  4. Step 4: Simplify right side
    3,992.27x = 12,618,955.25
  5. Step 5: Solve for x
    x = 12,618,955.25/3,992.27
  6. Step 6: Final answer
    x = 3,160.85

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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.