Home / 3,759.34-5,631.30-2,112.43

Finding the Fourth Proportional to 3,759.34, 5,631.30 and 2,112.43

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Solution

The fourth proportional to 3,759.34, 5,631.30 and 2,112.43 is: 3,164.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,759.34 : 5,631.30 = 2,112.43 : x
  2. Step 2: Convert to fraction form
    3,759.34/5,631.30 = 2,112.43/x
  3. Step 3: Cross multiply
    3,759.34x = 5,631.30 × 2,112.43
  4. Step 4: Simplify right side
    3,759.34x = 11,895,727.06
  5. Step 5: Solve for x
    x = 11,895,727.06/3,759.34
  6. Step 6: Final answer
    x = 3,164.31

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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.