Home / 2,849.91-3,932.82-1,591.08

Finding the Fourth Proportional to 2,849.91, 3,932.82 and 1,591.08

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Solution

The fourth proportional to 2,849.91, 3,932.82 and 1,591.08 is: 2,195.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,849.91 : 3,932.82 = 1,591.08 : x
  2. Step 2: Convert to fraction form
    2,849.91/3,932.82 = 1,591.08/x
  3. Step 3: Cross multiply
    2,849.91x = 3,932.82 × 1,591.08
  4. Step 4: Simplify right side
    2,849.91x = 6,257,431.25
  5. Step 5: Solve for x
    x = 6,257,431.25/2,849.91
  6. Step 6: Final answer
    x = 2,195.66

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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.