Home / 3,979.49-5,976.66-3,654.41

Finding the Fourth Proportional to 3,979.49, 5,976.66 and 3,654.41

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Solution

The fourth proportional to 3,979.49, 5,976.66 and 3,654.41 is: 5,488.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,979.49 : 5,976.66 = 3,654.41 : x
  2. Step 2: Convert to fraction form
    3,979.49/5,976.66 = 3,654.41/x
  3. Step 3: Cross multiply
    3,979.49x = 5,976.66 × 3,654.41
  4. Step 4: Simplify right side
    3,979.49x = 21,841,166.07
  5. Step 5: Solve for x
    x = 21,841,166.07/3,979.49
  6. Step 6: Final answer
    x = 5,488.43

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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.