Home / 3,198.84-4,414.23-1,801.50

Finding the Fourth Proportional to 3,198.84, 4,414.23 and 1,801.50

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Solution

The fourth proportional to 3,198.84, 4,414.23 and 1,801.50 is: 2,485.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,198.84 : 4,414.23 = 1,801.50 : x
  2. Step 2: Convert to fraction form
    3,198.84/4,414.23 = 1,801.50/x
  3. Step 3: Cross multiply
    3,198.84x = 4,414.23 × 1,801.50
  4. Step 4: Simplify right side
    3,198.84x = 7,952,235.35
  5. Step 5: Solve for x
    x = 7,952,235.35/3,198.84
  6. Step 6: Final answer
    x = 2,485.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.