Home / 3,280.80-4,524.94-2,101.98

Finding the Fourth Proportional to 3,280.80, 4,524.94 and 2,101.98

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Solution

The fourth proportional to 3,280.80, 4,524.94 and 2,101.98 is: 2,899.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280.80 : 4,524.94 = 2,101.98 : x
  2. Step 2: Convert to fraction form
    3,280.80/4,524.94 = 2,101.98/x
  3. Step 3: Cross multiply
    3,280.80x = 4,524.94 × 2,101.98
  4. Step 4: Simplify right side
    3,280.80x = 9,511,333.38
  5. Step 5: Solve for x
    x = 9,511,333.38/3,280.80
  6. Step 6: Final answer
    x = 2,899.09

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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.