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Finding the Fourth Proportional to 2,932, 4,399.92 and 1,108

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Solution

The fourth proportional to 2,932, 4,399.92 and 1,108 is: 1,662.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,932 : 4,399.92 = 1,108 : x
  2. Step 2: Convert to fraction form
    2,932/4,399.92 = 1,108/x
  3. Step 3: Cross multiply
    2,932x = 4,399.92 × 1,108
  4. Step 4: Simplify right side
    2,932x = 4,875,111.36
  5. Step 5: Solve for x
    x = 4,875,111.36/2,932
  6. Step 6: Final answer
    x = 1,662.73

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.