Home / 2,800.62-4,198.68-1,814.44

Finding the Fourth Proportional to 2,800.62, 4,198.68 and 1,814.44

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Solution

The fourth proportional to 2,800.62, 4,198.68 and 1,814.44 is: 2,720.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,800.62 : 4,198.68 = 1,814.44 : x
  2. Step 2: Convert to fraction form
    2,800.62/4,198.68 = 1,814.44/x
  3. Step 3: Cross multiply
    2,800.62x = 4,198.68 × 1,814.44
  4. Step 4: Simplify right side
    2,800.62x = 7,618,252.94
  5. Step 5: Solve for x
    x = 7,618,252.94/2,800.62
  6. Step 6: Final answer
    x = 2,720.20

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1.5x scale

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.