Home / 2,380.68-3,286.83-1,497.78

Finding the Fourth Proportional to 2,380.68, 3,286.83 and 1,497.78

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Solution

The fourth proportional to 2,380.68, 3,286.83 and 1,497.78 is: 2,067.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,380.68 : 3,286.83 = 1,497.78 : x
  2. Step 2: Convert to fraction form
    2,380.68/3,286.83 = 1,497.78/x
  3. Step 3: Cross multiply
    2,380.68x = 3,286.83 × 1,497.78
  4. Step 4: Simplify right side
    2,380.68x = 4,922,948.24
  5. Step 5: Solve for x
    x = 4,922,948.24/2,380.68
  6. Step 6: Final answer
    x = 2,067.87

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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.