Home / 3,794.30-5,239.37-2,380.37

Finding the Fourth Proportional to 3,794.30, 5,239.37 and 2,380.37

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Solution

The fourth proportional to 3,794.30, 5,239.37 and 2,380.37 is: 3,286.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,794.30 : 5,239.37 = 2,380.37 : x
  2. Step 2: Convert to fraction form
    3,794.30/5,239.37 = 2,380.37/x
  3. Step 3: Cross multiply
    3,794.30x = 5,239.37 × 2,380.37
  4. Step 4: Simplify right side
    3,794.30x = 12,471,639.17
  5. Step 5: Solve for x
    x = 12,471,639.17/3,794.30
  6. Step 6: Final answer
    x = 3,286.94

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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.