Home / 2,380.58-3,286.23-1,791.26

Finding the Fourth Proportional to 2,380.58, 3,286.23 and 1,791.26

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Solution

The fourth proportional to 2,380.58, 3,286.23 and 1,791.26 is: 2,472.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,380.58 : 3,286.23 = 1,791.26 : x
  2. Step 2: Convert to fraction form
    2,380.58/3,286.23 = 1,791.26/x
  3. Step 3: Cross multiply
    2,380.58x = 3,286.23 × 1,791.26
  4. Step 4: Simplify right side
    2,380.58x = 5,886,492.35
  5. Step 5: Solve for x
    x = 5,886,492.35/2,380.58
  6. Step 6: Final answer
    x = 2,472.71

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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.