Home / 2,786.18-4,179.39-1,552.65

Finding the Fourth Proportional to 2,786.18, 4,179.39 and 1,552.65

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Solution

The fourth proportional to 2,786.18, 4,179.39 and 1,552.65 is: 2,329.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,786.18 : 4,179.39 = 1,552.65 : x
  2. Step 2: Convert to fraction form
    2,786.18/4,179.39 = 1,552.65/x
  3. Step 3: Cross multiply
    2,786.18x = 4,179.39 × 1,552.65
  4. Step 4: Simplify right side
    2,786.18x = 6,489,129.88
  5. Step 5: Solve for x
    x = 6,489,129.88/2,786.18
  6. Step 6: Final answer
    x = 2,329.04

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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.