Home / 3,850.73-5,772.62-1,384.97

Finding the Fourth Proportional to 3,850.73, 5,772.62 and 1,384.97

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Solution

The fourth proportional to 3,850.73, 5,772.62 and 1,384.97 is: 2,076.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,850.73 : 5,772.62 = 1,384.97 : x
  2. Step 2: Convert to fraction form
    3,850.73/5,772.62 = 1,384.97/x
  3. Step 3: Cross multiply
    3,850.73x = 5,772.62 × 1,384.97
  4. Step 4: Simplify right side
    3,850.73x = 7,994,905.52
  5. Step 5: Solve for x
    x = 7,994,905.52/3,850.73
  6. Step 6: Final answer
    x = 2,076.21

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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.