Home / 3,641.39-5,456.80-1,974.11

Finding the Fourth Proportional to 3,641.39, 5,456.80 and 1,974.11

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Solution

The fourth proportional to 3,641.39, 5,456.80 and 1,974.11 is: 2,958.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,641.39 : 5,456.80 = 1,974.11 : x
  2. Step 2: Convert to fraction form
    3,641.39/5,456.80 = 1,974.11/x
  3. Step 3: Cross multiply
    3,641.39x = 5,456.80 × 1,974.11
  4. Step 4: Simplify right side
    3,641.39x = 10,772,286.29
  5. Step 5: Solve for x
    x = 10,772,286.29/3,641.39
  6. Step 6: Final answer
    x = 2,958.29

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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.