Home / 3,533.39-5,287.82-2,198.64

Finding the Fourth Proportional to 3,533.39, 5,287.82 and 2,198.64

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Solution

The fourth proportional to 3,533.39, 5,287.82 and 2,198.64 is: 3,290.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,533.39 : 5,287.82 = 2,198.64 : x
  2. Step 2: Convert to fraction form
    3,533.39/5,287.82 = 2,198.64/x
  3. Step 3: Cross multiply
    3,533.39x = 5,287.82 × 2,198.64
  4. Step 4: Simplify right side
    3,533.39x = 11,626,012.56
  5. Step 5: Solve for x
    x = 11,626,012.56/3,533.39
  6. Step 6: Final answer
    x = 3,290.33

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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.