Home / 3,027.66-4,179.96-2,318.22

Finding the Fourth Proportional to 3,027.66, 4,179.96 and 2,318.22

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Solution

The fourth proportional to 3,027.66, 4,179.96 and 2,318.22 is: 3,200.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,027.66 : 4,179.96 = 2,318.22 : x
  2. Step 2: Convert to fraction form
    3,027.66/4,179.96 = 2,318.22/x
  3. Step 3: Cross multiply
    3,027.66x = 4,179.96 × 2,318.22
  4. Step 4: Simplify right side
    3,027.66x = 9,690,066.87
  5. Step 5: Solve for x
    x = 9,690,066.87/3,027.66
  6. Step 6: Final answer
    x = 3,200.51

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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.