Home / 3,751.68-5,629.14-2,021.52

Finding the Fourth Proportional to 3,751.68, 5,629.14 and 2,021.52

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Solution

The fourth proportional to 3,751.68, 5,629.14 and 2,021.52 is: 3,033.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,751.68 : 5,629.14 = 2,021.52 : x
  2. Step 2: Convert to fraction form
    3,751.68/5,629.14 = 2,021.52/x
  3. Step 3: Cross multiply
    3,751.68x = 5,629.14 × 2,021.52
  4. Step 4: Simplify right side
    3,751.68x = 11,379,419.09
  5. Step 5: Solve for x
    x = 11,379,419.09/3,751.68
  6. Step 6: Final answer
    x = 3,033.15

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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.