Home / 3,419.11-5,134.43-3,243.75

Finding the Fourth Proportional to 3,419.11, 5,134.43 and 3,243.75

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Solution

The fourth proportional to 3,419.11, 5,134.43 and 3,243.75 is: 4,871.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,419.11 : 5,134.43 = 3,243.75 : x
  2. Step 2: Convert to fraction form
    3,419.11/5,134.43 = 3,243.75/x
  3. Step 3: Cross multiply
    3,419.11x = 5,134.43 × 3,243.75
  4. Step 4: Simplify right side
    3,419.11x = 16,654,807.31
  5. Step 5: Solve for x
    x = 16,654,807.31/3,419.11
  6. Step 6: Final answer
    x = 4,871.09

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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.