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Finding the Fourth Proportional to 2,668.62, 4,011.54 and 2,474.52

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Solution

The fourth proportional to 2,668.62, 4,011.54 and 2,474.52 is: 3,719.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,668.62 : 4,011.54 = 2,474.52 : x
  2. Step 2: Convert to fraction form
    2,668.62/4,011.54 = 2,474.52/x
  3. Step 3: Cross multiply
    2,668.62x = 4,011.54 × 2,474.52
  4. Step 4: Simplify right side
    2,668.62x = 9,926,635.96
  5. Step 5: Solve for x
    x = 9,926,635.96/2,668.62
  6. Step 6: Final answer
    x = 3,719.76

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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.