Home / 3,654.29-5,042.91-1,975.69

Finding the Fourth Proportional to 3,654.29, 5,042.91 and 1,975.69

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Solution

The fourth proportional to 3,654.29, 5,042.91 and 1,975.69 is: 2,726.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,654.29 : 5,042.91 = 1,975.69 : x
  2. Step 2: Convert to fraction form
    3,654.29/5,042.91 = 1,975.69/x
  3. Step 3: Cross multiply
    3,654.29x = 5,042.91 × 1,975.69
  4. Step 4: Simplify right side
    3,654.29x = 9,963,201.64
  5. Step 5: Solve for x
    x = 9,963,201.64/3,654.29
  6. Step 6: Final answer
    x = 2,726.44

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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.