Home / 3,016.39-4,163.81-2,308.20

Finding the Fourth Proportional to 3,016.39, 4,163.81 and 2,308.20

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Solution

The fourth proportional to 3,016.39, 4,163.81 and 2,308.20 is: 3,186.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,016.39 : 4,163.81 = 2,308.20 : x
  2. Step 2: Convert to fraction form
    3,016.39/4,163.81 = 2,308.20/x
  3. Step 3: Cross multiply
    3,016.39x = 4,163.81 × 2,308.20
  4. Step 4: Simplify right side
    3,016.39x = 9,610,879.09
  5. Step 5: Solve for x
    x = 9,610,879.09/3,016.39
  6. Step 6: Final answer
    x = 3,186.22

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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.