Home / 3,106.11-4,280.94-2,744.04

Finding the Fourth Proportional to 3,106.11, 4,280.94 and 2,744.04

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Solution

The fourth proportional to 3,106.11, 4,280.94 and 2,744.04 is: 3,781.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,106.11 : 4,280.94 = 2,744.04 : x
  2. Step 2: Convert to fraction form
    3,106.11/4,280.94 = 2,744.04/x
  3. Step 3: Cross multiply
    3,106.11x = 4,280.94 × 2,744.04
  4. Step 4: Simplify right side
    3,106.11x = 11,747,070.60
  5. Step 5: Solve for x
    x = 11,747,070.60/3,106.11
  6. Step 6: Final answer
    x = 3,781.92

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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.