Home / 1,932.92-2,665.68-1,269.54

Finding the Fourth Proportional to 1,932.92, 2,665.68 and 1,269.54

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Solution

The fourth proportional to 1,932.92, 2,665.68 and 1,269.54 is: 1,750.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,932.92 : 2,665.68 = 1,269.54 : x
  2. Step 2: Convert to fraction form
    1,932.92/2,665.68 = 1,269.54/x
  3. Step 3: Cross multiply
    1,932.92x = 2,665.68 × 1,269.54
  4. Step 4: Simplify right side
    1,932.92x = 3,384,187.39
  5. Step 5: Solve for x
    x = 3,384,187.39/1,932.92
  6. Step 6: Final answer
    x = 1,750.82

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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.