Home / 3,837.78-5,755.46-1,371.94

Finding the Fourth Proportional to 3,837.78, 5,755.46 and 1,371.94

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Solution

The fourth proportional to 3,837.78, 5,755.46 and 1,371.94 is: 2,057.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,837.78 : 5,755.46 = 1,371.94 : x
  2. Step 2: Convert to fraction form
    3,837.78/5,755.46 = 1,371.94/x
  3. Step 3: Cross multiply
    3,837.78x = 5,755.46 × 1,371.94
  4. Step 4: Simplify right side
    3,837.78x = 7,896,124.54
  5. Step 5: Solve for x
    x = 7,896,124.54/3,837.78
  6. Step 6: Final answer
    x = 2,057.47

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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.