Home / 2,979.38-4,469.06-2,041.40

Finding the Fourth Proportional to 2,979.38, 4,469.06 and 2,041.40

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Solution

The fourth proportional to 2,979.38, 4,469.06 and 2,041.40 is: 3,062.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,979.38 : 4,469.06 = 2,041.40 : x
  2. Step 2: Convert to fraction form
    2,979.38/4,469.06 = 2,041.40/x
  3. Step 3: Cross multiply
    2,979.38x = 4,469.06 × 2,041.40
  4. Step 4: Simplify right side
    2,979.38x = 9,123,121.84
  5. Step 5: Solve for x
    x = 9,123,121.84/2,979.38
  6. Step 6: Final answer
    x = 3,062.09

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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.