Home / 3,729.44-5,591.64-2,087.12

Finding the Fourth Proportional to 3,729.44, 5,591.64 and 2,087.12

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Solution

The fourth proportional to 3,729.44, 5,591.64 and 2,087.12 is: 3,129.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,729.44 : 5,591.64 = 2,087.12 : x
  2. Step 2: Convert to fraction form
    3,729.44/5,591.64 = 2,087.12/x
  3. Step 3: Cross multiply
    3,729.44x = 5,591.64 × 2,087.12
  4. Step 4: Simplify right side
    3,729.44x = 11,670,423.68
  5. Step 5: Solve for x
    x = 11,670,423.68/3,729.44
  6. Step 6: Final answer
    x = 3,129.27

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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.