Home / 3,298.38-4,942.17-1,995.90

Finding the Fourth Proportional to 3,298.38, 4,942.17 and 1,995.90

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Solution

The fourth proportional to 3,298.38, 4,942.17 and 1,995.90 is: 2,990.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,298.38 : 4,942.17 = 1,995.90 : x
  2. Step 2: Convert to fraction form
    3,298.38/4,942.17 = 1,995.90/x
  3. Step 3: Cross multiply
    3,298.38x = 4,942.17 × 1,995.90
  4. Step 4: Simplify right side
    3,298.38x = 9,864,077.10
  5. Step 5: Solve for x
    x = 9,864,077.10/3,298.38
  6. Step 6: Final answer
    x = 2,990.58

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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.