Home / 3,453.89-5,180.90-1,262.61

Finding the Fourth Proportional to 3,453.89, 5,180.90 and 1,262.61

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Solution

The fourth proportional to 3,453.89, 5,180.90 and 1,262.61 is: 1,893.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,453.89 : 5,180.90 = 1,262.61 : x
  2. Step 2: Convert to fraction form
    3,453.89/5,180.90 = 1,262.61/x
  3. Step 3: Cross multiply
    3,453.89x = 5,180.90 × 1,262.61
  4. Step 4: Simplify right side
    3,453.89x = 6,541,449.84
  5. Step 5: Solve for x
    x = 6,541,449.84/3,453.89
  6. Step 6: Final answer
    x = 1,893.94

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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.