Home / 3,830.82-5,286.80-2,339.54

Finding the Fourth Proportional to 3,830.82, 5,286.80 and 2,339.54

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Solution

The fourth proportional to 3,830.82, 5,286.80 and 2,339.54 is: 3,228.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,830.82 : 5,286.80 = 2,339.54 : x
  2. Step 2: Convert to fraction form
    3,830.82/5,286.80 = 2,339.54/x
  3. Step 3: Cross multiply
    3,830.82x = 5,286.80 × 2,339.54
  4. Step 4: Simplify right side
    3,830.82x = 12,368,680.07
  5. Step 5: Solve for x
    x = 12,368,680.07/3,830.82
  6. Step 6: Final answer
    x = 3,228.73

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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.