Home / 3,481.15-5,221.70-1,259.97

Finding the Fourth Proportional to 3,481.15, 5,221.70 and 1,259.97

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Solution

The fourth proportional to 3,481.15, 5,221.70 and 1,259.97 is: 1,889.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,481.15 : 5,221.70 = 1,259.97 : x
  2. Step 2: Convert to fraction form
    3,481.15/5,221.70 = 1,259.97/x
  3. Step 3: Cross multiply
    3,481.15x = 5,221.70 × 1,259.97
  4. Step 4: Simplify right side
    3,481.15x = 6,579,185.35
  5. Step 5: Solve for x
    x = 6,579,185.35/3,481.15
  6. Step 6: Final answer
    x = 1,889.95

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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.