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Finding the Fourth Proportional to 2,651.04, 3,662 and 1,992.88

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Solution

The fourth proportional to 2,651.04, 3,662 and 1,992.88 is: 2,752.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,651.04 : 3,662 = 1,992.88 : x
  2. Step 2: Convert to fraction form
    2,651.04/3,662 = 1,992.88/x
  3. Step 3: Cross multiply
    2,651.04x = 3,662 × 1,992.88
  4. Step 4: Simplify right side
    2,651.04x = 7,297,926.56
  5. Step 5: Solve for x
    x = 7,297,926.56/2,651.04
  6. Step 6: Final answer
    x = 2,752.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.