Home / 3,837.20-5,757.26-1,371.92

Finding the Fourth Proportional to 3,837.20, 5,757.26 and 1,371.92

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Solution

The fourth proportional to 3,837.20, 5,757.26 and 1,371.92 is: 2,058.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,837.20 : 5,757.26 = 1,371.92 : x
  2. Step 2: Convert to fraction form
    3,837.20/5,757.26 = 1,371.92/x
  3. Step 3: Cross multiply
    3,837.20x = 5,757.26 × 1,371.92
  4. Step 4: Simplify right side
    3,837.20x = 7,898,500.14
  5. Step 5: Solve for x
    x = 7,898,500.14/3,837.20
  6. Step 6: Final answer
    x = 2,058.40

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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.