Home / 3,016.16-4,531.16-2,128.73

Finding the Fourth Proportional to 3,016.16, 4,531.16 and 2,128.73

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Solution

The fourth proportional to 3,016.16, 4,531.16 and 2,128.73 is: 3,197.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,016.16 : 4,531.16 = 2,128.73 : x
  2. Step 2: Convert to fraction form
    3,016.16/4,531.16 = 2,128.73/x
  3. Step 3: Cross multiply
    3,016.16x = 4,531.16 × 2,128.73
  4. Step 4: Simplify right side
    3,016.16x = 9,645,582.93
  5. Step 5: Solve for x
    x = 9,645,582.93/3,016.16
  6. Step 6: Final answer
    x = 3,197.97

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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.