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Finding the Fourth Proportional to 1,234.08, 1,843.32 and 1,039.68

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Solution

The fourth proportional to 1,234.08, 1,843.32 and 1,039.68 is: 1,552.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234.08 : 1,843.32 = 1,039.68 : x
  2. Step 2: Convert to fraction form
    1,234.08/1,843.32 = 1,039.68/x
  3. Step 3: Cross multiply
    1,234.08x = 1,843.32 × 1,039.68
  4. Step 4: Simplify right side
    1,234.08x = 1,916,462.94
  5. Step 5: Solve for x
    x = 1,916,462.94/1,234.08
  6. Step 6: Final answer
    x = 1,552.95

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.