Home / 3,836.43-5,755.19-1,238.49

Finding the Fourth Proportional to 3,836.43, 5,755.19 and 1,238.49

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Solution

The fourth proportional to 3,836.43, 5,755.19 and 1,238.49 is: 1,857.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,836.43 : 5,755.19 = 1,238.49 : x
  2. Step 2: Convert to fraction form
    3,836.43/5,755.19 = 1,238.49/x
  3. Step 3: Cross multiply
    3,836.43x = 5,755.19 × 1,238.49
  4. Step 4: Simplify right side
    3,836.43x = 7,127,739.07
  5. Step 5: Solve for x
    x = 7,127,739.07/3,836.43
  6. Step 6: Final answer
    x = 1,857.91

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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.