Home / 3,481.24-5,220.62-1,015.42

Finding the Fourth Proportional to 3,481.24, 5,220.62 and 1,015.42

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Solution

The fourth proportional to 3,481.24, 5,220.62 and 1,015.42 is: 1,522.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,481.24 : 5,220.62 = 1,015.42 : x
  2. Step 2: Convert to fraction form
    3,481.24/5,220.62 = 1,015.42/x
  3. Step 3: Cross multiply
    3,481.24x = 5,220.62 × 1,015.42
  4. Step 4: Simplify right side
    3,481.24x = 5,301,121.96
  5. Step 5: Solve for x
    x = 5,301,121.96/3,481.24
  6. Step 6: Final answer
    x = 1,522.77

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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.