Home / 2,727.85-4,091.78-2,703.55

Finding the Fourth Proportional to 2,727.85, 4,091.78 and 2,703.55

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Solution

The fourth proportional to 2,727.85, 4,091.78 and 2,703.55 is: 4,055.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,727.85 : 4,091.78 = 2,703.55 : x
  2. Step 2: Convert to fraction form
    2,727.85/4,091.78 = 2,703.55/x
  3. Step 3: Cross multiply
    2,727.85x = 4,091.78 × 2,703.55
  4. Step 4: Simplify right side
    2,727.85x = 11,062,318.30
  5. Step 5: Solve for x
    x = 11,062,318.30/2,727.85
  6. Step 6: Final answer
    x = 4,055.33

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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.