Home / 3,729.84-5,589.32-3,319.80

Finding the Fourth Proportional to 3,729.84, 5,589.32 and 3,319.80

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Solution

The fourth proportional to 3,729.84, 5,589.32 and 3,319.80 is: 4,974.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,729.84 : 5,589.32 = 3,319.80 : x
  2. Step 2: Convert to fraction form
    3,729.84/5,589.32 = 3,319.80/x
  3. Step 3: Cross multiply
    3,729.84x = 5,589.32 × 3,319.80
  4. Step 4: Simplify right side
    3,729.84x = 18,555,407.94
  5. Step 5: Solve for x
    x = 18,555,407.94/3,729.84
  6. Step 6: Final answer
    x = 4,974.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.