Home / 3,205.57-4,420.20-2,084.43

Finding the Fourth Proportional to 3,205.57, 4,420.20 and 2,084.43

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Solution

The fourth proportional to 3,205.57, 4,420.20 and 2,084.43 is: 2,874.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,205.57 : 4,420.20 = 2,084.43 : x
  2. Step 2: Convert to fraction form
    3,205.57/4,420.20 = 2,084.43/x
  3. Step 3: Cross multiply
    3,205.57x = 4,420.20 × 2,084.43
  4. Step 4: Simplify right side
    3,205.57x = 9,213,616.35
  5. Step 5: Solve for x
    x = 9,213,616.35/3,205.57
  6. Step 6: Final answer
    x = 2,874.25

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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.