Home / 2,198.84-3,296.32-1,101.64

Finding the Fourth Proportional to 2,198.84, 3,296.32 and 1,101.64

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Solution

The fourth proportional to 2,198.84, 3,296.32 and 1,101.64 is: 1,651.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,198.84 : 3,296.32 = 1,101.64 : x
  2. Step 2: Convert to fraction form
    2,198.84/3,296.32 = 1,101.64/x
  3. Step 3: Cross multiply
    2,198.84x = 3,296.32 × 1,101.64
  4. Step 4: Simplify right side
    2,198.84x = 3,631,357.96
  5. Step 5: Solve for x
    x = 3,631,357.96/2,198.84
  6. Step 6: Final answer
    x = 1,651.49

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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.