Home / 3,428.16-5,137.92-2,257.44

Finding the Fourth Proportional to 3,428.16, 5,137.92 and 2,257.44

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Solution

The fourth proportional to 3,428.16, 5,137.92 and 2,257.44 is: 3,383.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,428.16 : 5,137.92 = 2,257.44 : x
  2. Step 2: Convert to fraction form
    3,428.16/5,137.92 = 2,257.44/x
  3. Step 3: Cross multiply
    3,428.16x = 5,137.92 × 2,257.44
  4. Step 4: Simplify right side
    3,428.16x = 11,598,546.12
  5. Step 5: Solve for x
    x = 11,598,546.12/3,428.16
  6. Step 6: Final answer
    x = 3,383.32

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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.