Home / 3,299.89-4,942.94-1,979.45

Finding the Fourth Proportional to 3,299.89, 4,942.94 and 1,979.45

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Solution

The fourth proportional to 3,299.89, 4,942.94 and 1,979.45 is: 2,965.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,299.89 : 4,942.94 = 1,979.45 : x
  2. Step 2: Convert to fraction form
    3,299.89/4,942.94 = 1,979.45/x
  3. Step 3: Cross multiply
    3,299.89x = 4,942.94 × 1,979.45
  4. Step 4: Simplify right side
    3,299.89x = 9,784,302.58
  5. Step 5: Solve for x
    x = 9,784,302.58/3,299.89
  6. Step 6: Final answer
    x = 2,965.04

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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.