Home / 1,228.11-1,843.94-1,168.63

Finding the Fourth Proportional to 1,228.11, 1,843.94 and 1,168.63

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Solution

The fourth proportional to 1,228.11, 1,843.94 and 1,168.63 is: 1,754.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228.11 : 1,843.94 = 1,168.63 : x
  2. Step 2: Convert to fraction form
    1,228.11/1,843.94 = 1,168.63/x
  3. Step 3: Cross multiply
    1,228.11x = 1,843.94 × 1,168.63
  4. Step 4: Simplify right side
    1,228.11x = 2,154,868.54
  5. Step 5: Solve for x
    x = 2,154,868.54/1,228.11
  6. Step 6: Final answer
    x = 1,754.62

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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.