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Finding the Fourth Proportional to 3,777.82, 5,659.97 and 2,019.11

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Solution

The fourth proportional to 3,777.82, 5,659.97 and 2,019.11 is: 3,025.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,777.82 : 5,659.97 = 2,019.11 : x
  2. Step 2: Convert to fraction form
    3,777.82/5,659.97 = 2,019.11/x
  3. Step 3: Cross multiply
    3,777.82x = 5,659.97 × 2,019.11
  4. Step 4: Simplify right side
    3,777.82x = 11,428,063.63
  5. Step 5: Solve for x
    x = 11,428,063.63/3,777.82
  6. Step 6: Final answer
    x = 3,025.04

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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.