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Finding the Fourth Proportional to 2,488.82, 3,733.88 and 1,786.85

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Solution

The fourth proportional to 2,488.82, 3,733.88 and 1,786.85 is: 2,680.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,488.82 : 3,733.88 = 1,786.85 : x
  2. Step 2: Convert to fraction form
    2,488.82/3,733.88 = 1,786.85/x
  3. Step 3: Cross multiply
    2,488.82x = 3,733.88 × 1,786.85
  4. Step 4: Simplify right side
    2,488.82x = 6,671,855.87
  5. Step 5: Solve for x
    x = 6,671,855.87/2,488.82
  6. Step 6: Final answer
    x = 2,680.73

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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.