Home / 3,605.05-5,411.62-2,793.11

Finding the Fourth Proportional to 3,605.05, 5,411.62 and 2,793.11

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Solution

The fourth proportional to 3,605.05, 5,411.62 and 2,793.11 is: 4,192.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,605.05 : 5,411.62 = 2,793.11 : x
  2. Step 2: Convert to fraction form
    3,605.05/5,411.62 = 2,793.11/x
  3. Step 3: Cross multiply
    3,605.05x = 5,411.62 × 2,793.11
  4. Step 4: Simplify right side
    3,605.05x = 15,115,249.94
  5. Step 5: Solve for x
    x = 15,115,249.94/3,605.05
  6. Step 6: Final answer
    x = 4,192.80

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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.