Home / 3,354.78-5,031.19-1,273.29

Finding the Fourth Proportional to 3,354.78, 5,031.19 and 1,273.29

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Solution

The fourth proportional to 3,354.78, 5,031.19 and 1,273.29 is: 1,909.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,354.78 : 5,031.19 = 1,273.29 : x
  2. Step 2: Convert to fraction form
    3,354.78/5,031.19 = 1,273.29/x
  3. Step 3: Cross multiply
    3,354.78x = 5,031.19 × 1,273.29
  4. Step 4: Simplify right side
    3,354.78x = 6,406,163.92
  5. Step 5: Solve for x
    x = 6,406,163.92/3,354.78
  6. Step 6: Final answer
    x = 1,909.56

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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.