Home / 3,940.31-5,906.48-2,554.53

Finding the Fourth Proportional to 3,940.31, 5,906.48 and 2,554.53

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Solution

The fourth proportional to 3,940.31, 5,906.48 and 2,554.53 is: 3,829.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,940.31 : 5,906.48 = 2,554.53 : x
  2. Step 2: Convert to fraction form
    3,940.31/5,906.48 = 2,554.53/x
  3. Step 3: Cross multiply
    3,940.31x = 5,906.48 × 2,554.53
  4. Step 4: Simplify right side
    3,940.31x = 15,088,286.74
  5. Step 5: Solve for x
    x = 15,088,286.74/3,940.31
  6. Step 6: Final answer
    x = 3,829.21

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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.