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Finding the Fourth Proportional to 1,944.54, 2,683.29 and 1,105.29

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Solution

The fourth proportional to 1,944.54, 2,683.29 and 1,105.29 is: 1,525.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,944.54 : 2,683.29 = 1,105.29 : x
  2. Step 2: Convert to fraction form
    1,944.54/2,683.29 = 1,105.29/x
  3. Step 3: Cross multiply
    1,944.54x = 2,683.29 × 1,105.29
  4. Step 4: Simplify right side
    1,944.54x = 2,965,813.60
  5. Step 5: Solve for x
    x = 2,965,813.60/1,944.54
  6. Step 6: Final answer
    x = 1,525.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.