Home / 3,744.20-5,619.75-1,896.61

Finding the Fourth Proportional to 3,744.20, 5,619.75 and 1,896.61

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Solution

The fourth proportional to 3,744.20, 5,619.75 and 1,896.61 is: 2,846.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,744.20 : 5,619.75 = 1,896.61 : x
  2. Step 2: Convert to fraction form
    3,744.20/5,619.75 = 1,896.61/x
  3. Step 3: Cross multiply
    3,744.20x = 5,619.75 × 1,896.61
  4. Step 4: Simplify right side
    3,744.20x = 10,658,460.00
  5. Step 5: Solve for x
    x = 10,658,460.00/3,744.20
  6. Step 6: Final answer
    x = 2,846.66

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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.