Home / 3,278.30-4,523.24-1,933.98

Finding the Fourth Proportional to 3,278.30, 4,523.24 and 1,933.98

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Solution

The fourth proportional to 3,278.30, 4,523.24 and 1,933.98 is: 2,668.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,278.30 : 4,523.24 = 1,933.98 : x
  2. Step 2: Convert to fraction form
    3,278.30/4,523.24 = 1,933.98/x
  3. Step 3: Cross multiply
    3,278.30x = 4,523.24 × 1,933.98
  4. Step 4: Simplify right side
    3,278.30x = 8,747,846.03
  5. Step 5: Solve for x
    x = 8,747,846.03/3,278.30
  6. Step 6: Final answer
    x = 2,668.41

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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.