Home / 3,729.12-5,586.39-3,408.36

Finding the Fourth Proportional to 3,729.12, 5,586.39 and 3,408.36

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Solution

The fourth proportional to 3,729.12, 5,586.39 and 3,408.36 is: 5,105.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,729.12 : 5,586.39 = 3,408.36 : x
  2. Step 2: Convert to fraction form
    3,729.12/5,586.39 = 3,408.36/x
  3. Step 3: Cross multiply
    3,729.12x = 5,586.39 × 3,408.36
  4. Step 4: Simplify right side
    3,729.12x = 19,040,428.22
  5. Step 5: Solve for x
    x = 19,040,428.22/3,729.12
  6. Step 6: Final answer
    x = 5,105.88

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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.