Home / 3,789.98-5,230.19-2,196.94

Finding the Fourth Proportional to 3,789.98, 5,230.19 and 2,196.94

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Solution

The fourth proportional to 3,789.98, 5,230.19 and 2,196.94 is: 3,031.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,789.98 : 5,230.19 = 2,196.94 : x
  2. Step 2: Convert to fraction form
    3,789.98/5,230.19 = 2,196.94/x
  3. Step 3: Cross multiply
    3,789.98x = 5,230.19 × 2,196.94
  4. Step 4: Simplify right side
    3,789.98x = 11,490,413.62
  5. Step 5: Solve for x
    x = 11,490,413.62/3,789.98
  6. Step 6: Final answer
    x = 3,031.79

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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.