Home / 3,949.68-5,926.81-2,392.79

Finding the Fourth Proportional to 3,949.68, 5,926.81 and 2,392.79

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Solution

The fourth proportional to 3,949.68, 5,926.81 and 2,392.79 is: 3,590.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,949.68 : 5,926.81 = 2,392.79 : x
  2. Step 2: Convert to fraction form
    3,949.68/5,926.81 = 2,392.79/x
  3. Step 3: Cross multiply
    3,949.68x = 5,926.81 × 2,392.79
  4. Step 4: Simplify right side
    3,949.68x = 14,181,590.90
  5. Step 5: Solve for x
    x = 14,181,590.90/3,949.68
  6. Step 6: Final answer
    x = 3,590.57

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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.