Home / 3,019.56-4,163.48-2,832.75

Finding the Fourth Proportional to 3,019.56, 4,163.48 and 2,832.75

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Solution

The fourth proportional to 3,019.56, 4,163.48 and 2,832.75 is: 3,905.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,019.56 : 4,163.48 = 2,832.75 : x
  2. Step 2: Convert to fraction form
    3,019.56/4,163.48 = 2,832.75/x
  3. Step 3: Cross multiply
    3,019.56x = 4,163.48 × 2,832.75
  4. Step 4: Simplify right side
    3,019.56x = 11,794,097.97
  5. Step 5: Solve for x
    x = 11,794,097.97/3,019.56
  6. Step 6: Final answer
    x = 3,905.90

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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.