Home / 3,066.55-4,202.35-2,771.30

Finding the Fourth Proportional to 3,066.55, 4,202.35 and 2,771.30

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Solution

The fourth proportional to 3,066.55, 4,202.35 and 2,771.30 is: 3,797.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,066.55 : 4,202.35 = 2,771.30 : x
  2. Step 2: Convert to fraction form
    3,066.55/4,202.35 = 2,771.30/x
  3. Step 3: Cross multiply
    3,066.55x = 4,202.35 × 2,771.30
  4. Step 4: Simplify right side
    3,066.55x = 11,645,976.13
  5. Step 5: Solve for x
    x = 11,645,976.13/3,066.55
  6. Step 6: Final answer
    x = 3,797.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.