Home / 2,269.82-3,402.92-2,087.58

Finding the Fourth Proportional to 2,269.82, 3,402.92 and 2,087.58

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Solution

The fourth proportional to 2,269.82, 3,402.92 and 2,087.58 is: 3,129.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,269.82 : 3,402.92 = 2,087.58 : x
  2. Step 2: Convert to fraction form
    2,269.82/3,402.92 = 2,087.58/x
  3. Step 3: Cross multiply
    2,269.82x = 3,402.92 × 2,087.58
  4. Step 4: Simplify right side
    2,269.82x = 7,103,867.73
  5. Step 5: Solve for x
    x = 7,103,867.73/2,269.82
  6. Step 6: Final answer
    x = 3,129.71

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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.