Home / 3,111.57-4,668.26-1,163.32

Finding the Fourth Proportional to 3,111.57, 4,668.26 and 1,163.32

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Solution

The fourth proportional to 3,111.57, 4,668.26 and 1,163.32 is: 1,745.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,111.57 : 4,668.26 = 1,163.32 : x
  2. Step 2: Convert to fraction form
    3,111.57/4,668.26 = 1,163.32/x
  3. Step 3: Cross multiply
    3,111.57x = 4,668.26 × 1,163.32
  4. Step 4: Simplify right side
    3,111.57x = 5,430,680.22
  5. Step 5: Solve for x
    x = 5,430,680.22/3,111.57
  6. Step 6: Final answer
    x = 1,745.32

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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.