Home / 3,111.35-4,668.24-1,163.71

Finding the Fourth Proportional to 3,111.35, 4,668.24 and 1,163.71

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Solution

The fourth proportional to 3,111.35, 4,668.24 and 1,163.71 is: 1,746.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,111.35 : 4,668.24 = 1,163.71 : x
  2. Step 2: Convert to fraction form
    3,111.35/4,668.24 = 1,163.71/x
  3. Step 3: Cross multiply
    3,111.35x = 4,668.24 × 1,163.71
  4. Step 4: Simplify right side
    3,111.35x = 5,432,477.57
  5. Step 5: Solve for x
    x = 5,432,477.57/3,111.35
  6. Step 6: Final answer
    x = 1,746.02

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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.