Home / 2,832.12-3,906.79-1,713.42

Finding the Fourth Proportional to 2,832.12, 3,906.79 and 1,713.42

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Solution

The fourth proportional to 2,832.12, 3,906.79 and 1,713.42 is: 2,363.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,832.12 : 3,906.79 = 1,713.42 : x
  2. Step 2: Convert to fraction form
    2,832.12/3,906.79 = 1,713.42/x
  3. Step 3: Cross multiply
    2,832.12x = 3,906.79 × 1,713.42
  4. Step 4: Simplify right side
    2,832.12x = 6,693,972.12
  5. Step 5: Solve for x
    x = 6,693,972.12/2,832.12
  6. Step 6: Final answer
    x = 2,363.59

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1.5x scale

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.