Home / 3,286.82-4,535.85-1,794.78

Finding the Fourth Proportional to 3,286.82, 4,535.85 and 1,794.78

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Solution

The fourth proportional to 3,286.82, 4,535.85 and 1,794.78 is: 2,476.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,286.82 : 4,535.85 = 1,794.78 : x
  2. Step 2: Convert to fraction form
    3,286.82/4,535.85 = 1,794.78/x
  3. Step 3: Cross multiply
    3,286.82x = 4,535.85 × 1,794.78
  4. Step 4: Simplify right side
    3,286.82x = 8,140,852.86
  5. Step 5: Solve for x
    x = 8,140,852.86/3,286.82
  6. Step 6: Final answer
    x = 2,476.82

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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.