Home / 1,936.95-2,906.45-1,832.40

Finding the Fourth Proportional to 1,936.95, 2,906.45 and 1,832.40

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Solution

The fourth proportional to 1,936.95, 2,906.45 and 1,832.40 is: 2,749.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,936.95 : 2,906.45 = 1,832.40 : x
  2. Step 2: Convert to fraction form
    1,936.95/2,906.45 = 1,832.40/x
  3. Step 3: Cross multiply
    1,936.95x = 2,906.45 × 1,832.40
  4. Step 4: Simplify right side
    1,936.95x = 5,325,769.82
  5. Step 5: Solve for x
    x = 5,325,769.82/1,936.95
  6. Step 6: Final answer
    x = 2,749.56

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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.