Home / 1,324.26-1,983.96-1,181.25

Finding the Fourth Proportional to 1,324.26, 1,983.96 and 1,181.25

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Solution

The fourth proportional to 1,324.26, 1,983.96 and 1,181.25 is: 1,769.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324.26 : 1,983.96 = 1,181.25 : x
  2. Step 2: Convert to fraction form
    1,324.26/1,983.96 = 1,181.25/x
  3. Step 3: Cross multiply
    1,324.26x = 1,983.96 × 1,181.25
  4. Step 4: Simplify right side
    1,324.26x = 2,343,552.75
  5. Step 5: Solve for x
    x = 2,343,552.75/1,324.26
  6. Step 6: Final answer
    x = 1,769.71

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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.