Home / 2,406.26-3,609.39-1,107.74

Finding the Fourth Proportional to 2,406.26, 3,609.39 and 1,107.74

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Solution

The fourth proportional to 2,406.26, 3,609.39 and 1,107.74 is: 1,661.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,406.26 : 3,609.39 = 1,107.74 : x
  2. Step 2: Convert to fraction form
    2,406.26/3,609.39 = 1,107.74/x
  3. Step 3: Cross multiply
    2,406.26x = 3,609.39 × 1,107.74
  4. Step 4: Simplify right side
    2,406.26x = 3,998,247.63
  5. Step 5: Solve for x
    x = 3,998,247.63/2,406.26
  6. Step 6: Final answer
    x = 1,661.61

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