Home / 3,481.09-5,221.70-1,015.92

Finding the Fourth Proportional to 3,481.09, 5,221.70 and 1,015.92

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Solution

The fourth proportional to 3,481.09, 5,221.70 and 1,015.92 is: 1,523.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,481.09 : 5,221.70 = 1,015.92 : x
  2. Step 2: Convert to fraction form
    3,481.09/5,221.70 = 1,015.92/x
  3. Step 3: Cross multiply
    3,481.09x = 5,221.70 × 1,015.92
  4. Step 4: Simplify right side
    3,481.09x = 5,304,829.46
  5. Step 5: Solve for x
    x = 5,304,829.46/3,481.09
  6. Step 6: Final answer
    x = 1,523.90

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1.5x scale

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.