Home / 3,278.09-4,523.69-1,786.07

Finding the Fourth Proportional to 3,278.09, 4,523.69 and 1,786.07

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Solution

The fourth proportional to 3,278.09, 4,523.69 and 1,786.07 is: 2,464.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,278.09 : 4,523.69 = 1,786.07 : x
  2. Step 2: Convert to fraction form
    3,278.09/4,523.69 = 1,786.07/x
  3. Step 3: Cross multiply
    3,278.09x = 4,523.69 × 1,786.07
  4. Step 4: Simplify right side
    3,278.09x = 8,079,595.45
  5. Step 5: Solve for x
    x = 8,079,595.45/3,278.09
  6. Step 6: Final answer
    x = 2,464.73

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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.