Home / 3,329.14-4,986.68-2,008.78

Finding the Fourth Proportional to 3,329.14, 4,986.68 and 2,008.78

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Solution

The fourth proportional to 3,329.14, 4,986.68 and 2,008.78 is: 3,008.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,329.14 : 4,986.68 = 2,008.78 : x
  2. Step 2: Convert to fraction form
    3,329.14/4,986.68 = 2,008.78/x
  3. Step 3: Cross multiply
    3,329.14x = 4,986.68 × 2,008.78
  4. Step 4: Simplify right side
    3,329.14x = 10,017,143.05
  5. Step 5: Solve for x
    x = 10,017,143.05/3,329.14
  6. Step 6: Final answer
    x = 3,008.93

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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.