Home / 2,763.45-4,149.36-2,243.97

Finding the Fourth Proportional to 2,763.45, 4,149.36 and 2,243.97

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Solution

The fourth proportional to 2,763.45, 4,149.36 and 2,243.97 is: 3,369.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,763.45 : 4,149.36 = 2,243.97 : x
  2. Step 2: Convert to fraction form
    2,763.45/4,149.36 = 2,243.97/x
  3. Step 3: Cross multiply
    2,763.45x = 4,149.36 × 2,243.97
  4. Step 4: Simplify right side
    2,763.45x = 9,311,039.36
  5. Step 5: Solve for x
    x = 9,311,039.36/2,763.45
  6. Step 6: Final answer
    x = 3,369.35

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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.