Home / 3,836.43-5,755.86-1,371.80

Finding the Fourth Proportional to 3,836.43, 5,755.86 and 1,371.80

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Solution

The fourth proportional to 3,836.43, 5,755.86 and 1,371.80 is: 2,058.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,836.43 : 5,755.86 = 1,371.80 : x
  2. Step 2: Convert to fraction form
    3,836.43/5,755.86 = 1,371.80/x
  3. Step 3: Cross multiply
    3,836.43x = 5,755.86 × 1,371.80
  4. Step 4: Simplify right side
    3,836.43x = 7,895,903.14
  5. Step 5: Solve for x
    x = 7,895,903.14/3,836.43
  6. Step 6: Final answer
    x = 2,058.14

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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.