Home / 2,771.25-4,151.55-2,183.13

Finding the Fourth Proportional to 2,771.25, 4,151.55 and 2,183.13

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Solution

The fourth proportional to 2,771.25, 4,151.55 and 2,183.13 is: 3,270.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,771.25 : 4,151.55 = 2,183.13 : x
  2. Step 2: Convert to fraction form
    2,771.25/4,151.55 = 2,183.13/x
  3. Step 3: Cross multiply
    2,771.25x = 4,151.55 × 2,183.13
  4. Step 4: Simplify right side
    2,771.25x = 9,063,373.35
  5. Step 5: Solve for x
    x = 9,063,373.35/2,771.25
  6. Step 6: Final answer
    x = 3,270.50

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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.