Home / 3,171.05-4,755.81-2,243.90

Finding the Fourth Proportional to 3,171.05, 4,755.81 and 2,243.90

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Solution

The fourth proportional to 3,171.05, 4,755.81 and 2,243.90 is: 3,365.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171.05 : 4,755.81 = 2,243.90 : x
  2. Step 2: Convert to fraction form
    3,171.05/4,755.81 = 2,243.90/x
  3. Step 3: Cross multiply
    3,171.05x = 4,755.81 × 2,243.90
  4. Step 4: Simplify right side
    3,171.05x = 10,671,582.36
  5. Step 5: Solve for x
    x = 10,671,582.36/3,171.05
  6. Step 6: Final answer
    x = 3,365.32

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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.