Home / 3,212.06-4,814.64-1,361.61

Finding the Fourth Proportional to 3,212.06, 4,814.64 and 1,361.61

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Solution

The fourth proportional to 3,212.06, 4,814.64 and 1,361.61 is: 2,040.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212.06 : 4,814.64 = 1,361.61 : x
  2. Step 2: Convert to fraction form
    3,212.06/4,814.64 = 1,361.61/x
  3. Step 3: Cross multiply
    3,212.06x = 4,814.64 × 1,361.61
  4. Step 4: Simplify right side
    3,212.06x = 6,555,661.97
  5. Step 5: Solve for x
    x = 6,555,661.97/3,212.06
  6. Step 6: Final answer
    x = 2,040.96

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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.