Home / 2,786.66-4,186.52-2,629.04

Finding the Fourth Proportional to 2,786.66, 4,186.52 and 2,629.04

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Solution

The fourth proportional to 2,786.66, 4,186.52 and 2,629.04 is: 3,949.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,786.66 : 4,186.52 = 2,629.04 : x
  2. Step 2: Convert to fraction form
    2,786.66/4,186.52 = 2,629.04/x
  3. Step 3: Cross multiply
    2,786.66x = 4,186.52 × 2,629.04
  4. Step 4: Simplify right side
    2,786.66x = 11,006,511.50
  5. Step 5: Solve for x
    x = 11,006,511.50/2,786.66
  6. Step 6: Final answer
    x = 3,949.71

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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.