Home / 1,961.92-2,944.55-1,731.38

Finding the Fourth Proportional to 1,961.92, 2,944.55 and 1,731.38

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Solution

The fourth proportional to 1,961.92, 2,944.55 and 1,731.38 is: 2,598.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,961.92 : 2,944.55 = 1,731.38 : x
  2. Step 2: Convert to fraction form
    1,961.92/2,944.55 = 1,731.38/x
  3. Step 3: Cross multiply
    1,961.92x = 2,944.55 × 1,731.38
  4. Step 4: Simplify right side
    1,961.92x = 5,098,124.58
  5. Step 5: Solve for x
    x = 5,098,124.58/1,961.92
  6. Step 6: Final answer
    x = 2,598.54

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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.