Home / 2,481.66-3,722.49-1,020.42

Finding the Fourth Proportional to 2,481.66, 3,722.49 and 1,020.42

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Solution

The fourth proportional to 2,481.66, 3,722.49 and 1,020.42 is: 1,530.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,481.66 : 3,722.49 = 1,020.42 : x
  2. Step 2: Convert to fraction form
    2,481.66/3,722.49 = 1,020.42/x
  3. Step 3: Cross multiply
    2,481.66x = 3,722.49 × 1,020.42
  4. Step 4: Simplify right side
    2,481.66x = 3,798,503.25
  5. Step 5: Solve for x
    x = 3,798,503.25/2,481.66
  6. Step 6: Final answer
    x = 1,530.63

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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.