Home / 3,278.56-4,524.24-1,786.39

Finding the Fourth Proportional to 3,278.56, 4,524.24 and 1,786.39

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Solution

The fourth proportional to 3,278.56, 4,524.24 and 1,786.39 is: 2,465.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,278.56 : 4,524.24 = 1,786.39 : x
  2. Step 2: Convert to fraction form
    3,278.56/4,524.24 = 1,786.39/x
  3. Step 3: Cross multiply
    3,278.56x = 4,524.24 × 1,786.39
  4. Step 4: Simplify right side
    3,278.56x = 8,082,057.09
  5. Step 5: Solve for x
    x = 8,082,057.09/3,278.56
  6. Step 6: Final answer
    x = 2,465.12

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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.