Home / 3,481.11-5,220.72-1,015.29

Finding the Fourth Proportional to 3,481.11, 5,220.72 and 1,015.29

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Solution

The fourth proportional to 3,481.11, 5,220.72 and 1,015.29 is: 1,522.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,481.11 : 5,220.72 = 1,015.29 : x
  2. Step 2: Convert to fraction form
    3,481.11/5,220.72 = 1,015.29/x
  3. Step 3: Cross multiply
    3,481.11x = 5,220.72 × 1,015.29
  4. Step 4: Simplify right side
    3,481.11x = 5,300,544.81
  5. Step 5: Solve for x
    x = 5,300,544.81/3,481.11
  6. Step 6: Final answer
    x = 1,522.66

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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.