Home / 3,694.82-5,540.33-1,228.97

Finding the Fourth Proportional to 3,694.82, 5,540.33 and 1,228.97

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Solution

The fourth proportional to 3,694.82, 5,540.33 and 1,228.97 is: 1,842.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,694.82 : 5,540.33 = 1,228.97 : x
  2. Step 2: Convert to fraction form
    3,694.82/5,540.33 = 1,228.97/x
  3. Step 3: Cross multiply
    3,694.82x = 5,540.33 × 1,228.97
  4. Step 4: Simplify right side
    3,694.82x = 6,808,916.28
  5. Step 5: Solve for x
    x = 6,808,916.28/3,694.82
  6. Step 6: Final answer
    x = 1,842.83

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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.