Home / 3,937.73-5,434.06-2,169.31

Finding the Fourth Proportional to 3,937.73, 5,434.06 and 2,169.31

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Solution

The fourth proportional to 3,937.73, 5,434.06 and 2,169.31 is: 2,993.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,937.73 : 5,434.06 = 2,169.31 : x
  2. Step 2: Convert to fraction form
    3,937.73/5,434.06 = 2,169.31/x
  3. Step 3: Cross multiply
    3,937.73x = 5,434.06 × 2,169.31
  4. Step 4: Simplify right side
    3,937.73x = 11,788,160.70
  5. Step 5: Solve for x
    x = 11,788,160.70/3,937.73
  6. Step 6: Final answer
    x = 2,993.64

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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.