Home / 3,428.22-5,141.25-2,177.94

Finding the Fourth Proportional to 3,428.22, 5,141.25 and 2,177.94

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Solution

The fourth proportional to 3,428.22, 5,141.25 and 2,177.94 is: 3,266.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,428.22 : 5,141.25 = 2,177.94 : x
  2. Step 2: Convert to fraction form
    3,428.22/5,141.25 = 2,177.94/x
  3. Step 3: Cross multiply
    3,428.22x = 5,141.25 × 2,177.94
  4. Step 4: Simplify right side
    3,428.22x = 11,197,334.03
  5. Step 5: Solve for x
    x = 11,197,334.03/3,428.22
  6. Step 6: Final answer
    x = 3,266.22

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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.