Home / 2,569.75-3,851.24-1,163.12

Finding the Fourth Proportional to 2,569.75, 3,851.24 and 1,163.12

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Solution

The fourth proportional to 2,569.75, 3,851.24 and 1,163.12 is: 1,743.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,569.75 : 3,851.24 = 1,163.12 : x
  2. Step 2: Convert to fraction form
    2,569.75/3,851.24 = 1,163.12/x
  3. Step 3: Cross multiply
    2,569.75x = 3,851.24 × 1,163.12
  4. Step 4: Simplify right side
    2,569.75x = 4,479,429.20
  5. Step 5: Solve for x
    x = 4,479,429.20/2,569.75
  6. Step 6: Final answer
    x = 1,743.14

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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.