Home / 3,278.68-4,524.62-1,786.59

Finding the Fourth Proportional to 3,278.68, 4,524.62 and 1,786.59

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Solution

The fourth proportional to 3,278.68, 4,524.62 and 1,786.59 is: 2,465.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,278.68 : 4,524.62 = 1,786.59 : x
  2. Step 2: Convert to fraction form
    3,278.68/4,524.62 = 1,786.59/x
  3. Step 3: Cross multiply
    3,278.68x = 4,524.62 × 1,786.59
  4. Step 4: Simplify right side
    3,278.68x = 8,083,640.85
  5. Step 5: Solve for x
    x = 8,083,640.85/3,278.68
  6. Step 6: Final answer
    x = 2,465.52

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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.