Home / 3,111.14-4,668.77-1,163.34

Finding the Fourth Proportional to 3,111.14, 4,668.77 and 1,163.34

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Solution

The fourth proportional to 3,111.14, 4,668.77 and 1,163.34 is: 1,745.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,111.14 : 4,668.77 = 1,163.34 : x
  2. Step 2: Convert to fraction form
    3,111.14/4,668.77 = 1,163.34/x
  3. Step 3: Cross multiply
    3,111.14x = 4,668.77 × 1,163.34
  4. Step 4: Simplify right side
    3,111.14x = 5,431,361.08
  5. Step 5: Solve for x
    x = 5,431,361.08/3,111.14
  6. Step 6: Final answer
    x = 1,745.78

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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.