Home / 2,214.30-3,324.15-2,198.10

Finding the Fourth Proportional to 2,214.30, 3,324.15 and 2,198.10

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Solution

The fourth proportional to 2,214.30, 3,324.15 and 2,198.10 is: 3,299.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,214.30 : 3,324.15 = 2,198.10 : x
  2. Step 2: Convert to fraction form
    2,214.30/3,324.15 = 2,198.10/x
  3. Step 3: Cross multiply
    2,214.30x = 3,324.15 × 2,198.10
  4. Step 4: Simplify right side
    2,214.30x = 7,306,814.12
  5. Step 5: Solve for x
    x = 7,306,814.12/2,214.30
  6. Step 6: Final answer
    x = 3,299.83

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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.