Home / 3,122.44-4,308.66-2,018.44

Finding the Fourth Proportional to 3,122.44, 4,308.66 and 2,018.44

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Solution

The fourth proportional to 3,122.44, 4,308.66 and 2,018.44 is: 2,785.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,122.44 : 4,308.66 = 2,018.44 : x
  2. Step 2: Convert to fraction form
    3,122.44/4,308.66 = 2,018.44/x
  3. Step 3: Cross multiply
    3,122.44x = 4,308.66 × 2,018.44
  4. Step 4: Simplify right side
    3,122.44x = 8,696,771.69
  5. Step 5: Solve for x
    x = 8,696,771.69/3,122.44
  6. Step 6: Final answer
    x = 2,785.25

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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.