Home / 3,764.39-5,645.97-1,299.29

Finding the Fourth Proportional to 3,764.39, 5,645.97 and 1,299.29

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Solution

The fourth proportional to 3,764.39, 5,645.97 and 1,299.29 is: 1,948.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,764.39 : 5,645.97 = 1,299.29 : x
  2. Step 2: Convert to fraction form
    3,764.39/5,645.97 = 1,299.29/x
  3. Step 3: Cross multiply
    3,764.39x = 5,645.97 × 1,299.29
  4. Step 4: Simplify right side
    3,764.39x = 7,335,724.13
  5. Step 5: Solve for x
    x = 7,335,724.13/3,764.39
  6. Step 6: Final answer
    x = 1,948.72

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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.