Home / 3,459.27-5,189.82-1,238.03

Finding the Fourth Proportional to 3,459.27, 5,189.82 and 1,238.03

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Solution

The fourth proportional to 3,459.27, 5,189.82 and 1,238.03 is: 1,857.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,459.27 : 5,189.82 = 1,238.03 : x
  2. Step 2: Convert to fraction form
    3,459.27/5,189.82 = 1,238.03/x
  3. Step 3: Cross multiply
    3,459.27x = 5,189.82 × 1,238.03
  4. Step 4: Simplify right side
    3,459.27x = 6,425,141.72
  5. Step 5: Solve for x
    x = 6,425,141.72/3,459.27
  6. Step 6: Final answer
    x = 1,857.37

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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.