Home / 3,105.22-4,651.14-1,459.30

Finding the Fourth Proportional to 3,105.22, 4,651.14 and 1,459.30

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Solution

The fourth proportional to 3,105.22, 4,651.14 and 1,459.30 is: 2,185.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,105.22 : 4,651.14 = 1,459.30 : x
  2. Step 2: Convert to fraction form
    3,105.22/4,651.14 = 1,459.30/x
  3. Step 3: Cross multiply
    3,105.22x = 4,651.14 × 1,459.30
  4. Step 4: Simplify right side
    3,105.22x = 6,787,408.60
  5. Step 5: Solve for x
    x = 6,787,408.60/3,105.22
  6. Step 6: Final answer
    x = 2,185.81

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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.