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Finding the Fourth Proportional to 2,484.69, 3,727 and 635.79

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Solution

The fourth proportional to 2,484.69, 3,727 and 635.79 is: 953.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,484.69 : 3,727 = 635.79 : x
  2. Step 2: Convert to fraction form
    2,484.69/3,727 = 635.79/x
  3. Step 3: Cross multiply
    2,484.69x = 3,727 × 635.79
  4. Step 4: Simplify right side
    2,484.69x = 2,369,589.33
  5. Step 5: Solve for x
    x = 2,369,589.33/2,484.69
  6. Step 6: Final answer
    x = 953.68

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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.