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Finding the Fourth Proportional to 2,763.66, 4,143.63 and 1,096.68

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Solution

The fourth proportional to 2,763.66, 4,143.63 and 1,096.68 is: 1,644.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,763.66 : 4,143.63 = 1,096.68 : x
  2. Step 2: Convert to fraction form
    2,763.66/4,143.63 = 1,096.68/x
  3. Step 3: Cross multiply
    2,763.66x = 4,143.63 × 1,096.68
  4. Step 4: Simplify right side
    2,763.66x = 4,544,236.15
  5. Step 5: Solve for x
    x = 4,544,236.15/2,763.66
  6. Step 6: Final answer
    x = 1,644.28

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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.