Home / 2,932.61-4,042.79-2,091.85

Finding the Fourth Proportional to 2,932.61, 4,042.79 and 2,091.85

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Solution

The fourth proportional to 2,932.61, 4,042.79 and 2,091.85 is: 2,883.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,932.61 : 4,042.79 = 2,091.85 : x
  2. Step 2: Convert to fraction form
    2,932.61/4,042.79 = 2,091.85/x
  3. Step 3: Cross multiply
    2,932.61x = 4,042.79 × 2,091.85
  4. Step 4: Simplify right side
    2,932.61x = 8,456,910.26
  5. Step 5: Solve for x
    x = 8,456,910.26/2,932.61
  6. Step 6: Final answer
    x = 2,883.75

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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.