Home / 2,629.92-3,946.48-1,169.28

Finding the Fourth Proportional to 2,629.92, 3,946.48 and 1,169.28

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Solution

The fourth proportional to 2,629.92, 3,946.48 and 1,169.28 is: 1,754.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,629.92 : 3,946.48 = 1,169.28 : x
  2. Step 2: Convert to fraction form
    2,629.92/3,946.48 = 1,169.28/x
  3. Step 3: Cross multiply
    2,629.92x = 3,946.48 × 1,169.28
  4. Step 4: Simplify right side
    2,629.92x = 4,614,540.13
  5. Step 5: Solve for x
    x = 4,614,540.13/2,629.92
  6. Step 6: Final answer
    x = 1,754.63

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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.