Home / 3,636.39-5,450.94-3,198.99

Finding the Fourth Proportional to 3,636.39, 5,450.94 and 3,198.99

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Solution

The fourth proportional to 3,636.39, 5,450.94 and 3,198.99 is: 4,795.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,636.39 : 5,450.94 = 3,198.99 : x
  2. Step 2: Convert to fraction form
    3,636.39/5,450.94 = 3,198.99/x
  3. Step 3: Cross multiply
    3,636.39x = 5,450.94 × 3,198.99
  4. Step 4: Simplify right side
    3,636.39x = 17,437,502.55
  5. Step 5: Solve for x
    x = 17,437,502.55/3,636.39
  6. Step 6: Final answer
    x = 4,795.28

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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.