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Finding the Fourth Proportional to 2,863.04, 4,296 and 1,108

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Solution

The fourth proportional to 2,863.04, 4,296 and 1,108 is: 1,662.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,863.04 : 4,296 = 1,108 : x
  2. Step 2: Convert to fraction form
    2,863.04/4,296 = 1,108/x
  3. Step 3: Cross multiply
    2,863.04x = 4,296 × 1,108
  4. Step 4: Simplify right side
    2,863.04x = 4,759,968
  5. Step 5: Solve for x
    x = 4,759,968/2,863.04
  6. Step 6: Final answer
    x = 1,662.56

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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.