Home / 3,634.60-5,449.32-1,442.68

Finding the Fourth Proportional to 3,634.60, 5,449.32 and 1,442.68

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Solution

The fourth proportional to 3,634.60, 5,449.32 and 1,442.68 is: 2,163.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,634.60 : 5,449.32 = 1,442.68 : x
  2. Step 2: Convert to fraction form
    3,634.60/5,449.32 = 1,442.68/x
  3. Step 3: Cross multiply
    3,634.60x = 5,449.32 × 1,442.68
  4. Step 4: Simplify right side
    3,634.60x = 7,861,624.98
  5. Step 5: Solve for x
    x = 7,861,624.98/3,634.60
  6. Step 6: Final answer
    x = 2,163.00

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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.