Home / 3,757.93-5,629.20-2,111.02

Finding the Fourth Proportional to 3,757.93, 5,629.20 and 2,111.02

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Solution

The fourth proportional to 3,757.93, 5,629.20 and 2,111.02 is: 3,162.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,757.93 : 5,629.20 = 2,111.02 : x
  2. Step 2: Convert to fraction form
    3,757.93/5,629.20 = 2,111.02/x
  3. Step 3: Cross multiply
    3,757.93x = 5,629.20 × 2,111.02
  4. Step 4: Simplify right side
    3,757.93x = 11,883,353.78
  5. Step 5: Solve for x
    x = 11,883,353.78/3,757.93
  6. Step 6: Final answer
    x = 3,162.21

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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.