Home / 2,651.38-3,974.91-1,006.99

Finding the Fourth Proportional to 2,651.38, 3,974.91 and 1,006.99

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Solution

The fourth proportional to 2,651.38, 3,974.91 and 1,006.99 is: 1,509.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,651.38 : 3,974.91 = 1,006.99 : x
  2. Step 2: Convert to fraction form
    2,651.38/3,974.91 = 1,006.99/x
  3. Step 3: Cross multiply
    2,651.38x = 3,974.91 × 1,006.99
  4. Step 4: Simplify right side
    2,651.38x = 4,002,694.62
  5. Step 5: Solve for x
    x = 4,002,694.62/2,651.38
  6. Step 6: Final answer
    x = 1,509.66

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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.