Home / 3,621.31-5,428.22-2,057.94

Finding the Fourth Proportional to 3,621.31, 5,428.22 and 2,057.94

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Solution

The fourth proportional to 3,621.31, 5,428.22 and 2,057.94 is: 3,084.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621.31 : 5,428.22 = 2,057.94 : x
  2. Step 2: Convert to fraction form
    3,621.31/5,428.22 = 2,057.94/x
  3. Step 3: Cross multiply
    3,621.31x = 5,428.22 × 2,057.94
  4. Step 4: Simplify right side
    3,621.31x = 11,170,951.07
  5. Step 5: Solve for x
    x = 11,170,951.07/3,621.31
  6. Step 6: Final answer
    x = 3,084.78

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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.