Home / 1,936.96-2,906.85-1,451.32

Finding the Fourth Proportional to 1,936.96, 2,906.85 and 1,451.32

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Solution

The fourth proportional to 1,936.96, 2,906.85 and 1,451.32 is: 2,178.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,936.96 : 2,906.85 = 1,451.32 : x
  2. Step 2: Convert to fraction form
    1,936.96/2,906.85 = 1,451.32/x
  3. Step 3: Cross multiply
    1,936.96x = 2,906.85 × 1,451.32
  4. Step 4: Simplify right side
    1,936.96x = 4,218,769.54
  5. Step 5: Solve for x
    x = 4,218,769.54/1,936.96
  6. Step 6: Final answer
    x = 2,178.04

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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.