Home / 3,278.63-4,524.45-1,786.56

Finding the Fourth Proportional to 3,278.63, 4,524.45 and 1,786.56

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Solution

The fourth proportional to 3,278.63, 4,524.45 and 1,786.56 is: 2,465.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,278.63 : 4,524.45 = 1,786.56 : x
  2. Step 2: Convert to fraction form
    3,278.63/4,524.45 = 1,786.56/x
  3. Step 3: Cross multiply
    3,278.63x = 4,524.45 × 1,786.56
  4. Step 4: Simplify right side
    3,278.63x = 8,083,177.73
  5. Step 5: Solve for x
    x = 8,083,177.73/3,278.63
  6. Step 6: Final answer
    x = 2,465.42

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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.