Home / 3,194.30-4,789.40-2,097.38

Finding the Fourth Proportional to 3,194.30, 4,789.40 and 2,097.38

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Solution

The fourth proportional to 3,194.30, 4,789.40 and 2,097.38 is: 3,144.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,194.30 : 4,789.40 = 2,097.38 : x
  2. Step 2: Convert to fraction form
    3,194.30/4,789.40 = 2,097.38/x
  3. Step 3: Cross multiply
    3,194.30x = 4,789.40 × 2,097.38
  4. Step 4: Simplify right side
    3,194.30x = 10,045,212.77
  5. Step 5: Solve for x
    x = 10,045,212.77/3,194.30
  6. Step 6: Final answer
    x = 3,144.73

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1.5x scale

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.