Home / 3,481.34-5,222.34-1,289.54

Finding the Fourth Proportional to 3,481.34, 5,222.34 and 1,289.54

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Solution

The fourth proportional to 3,481.34, 5,222.34 and 1,289.54 is: 1,934.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,481.34 : 5,222.34 = 1,289.54 : x
  2. Step 2: Convert to fraction form
    3,481.34/5,222.34 = 1,289.54/x
  3. Step 3: Cross multiply
    3,481.34x = 5,222.34 × 1,289.54
  4. Step 4: Simplify right side
    3,481.34x = 6,734,416.32
  5. Step 5: Solve for x
    x = 6,734,416.32/3,481.34
  6. Step 6: Final answer
    x = 1,934.43

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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.