Home / 3,792.33-5,231.29-2,220.12

Finding the Fourth Proportional to 3,792.33, 5,231.29 and 2,220.12

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Solution

The fourth proportional to 3,792.33, 5,231.29 and 2,220.12 is: 3,062.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,792.33 : 5,231.29 = 2,220.12 : x
  2. Step 2: Convert to fraction form
    3,792.33/5,231.29 = 2,220.12/x
  3. Step 3: Cross multiply
    3,792.33x = 5,231.29 × 2,220.12
  4. Step 4: Simplify right side
    3,792.33x = 11,614,091.55
  5. Step 5: Solve for x
    x = 11,614,091.55/3,792.33
  6. Step 6: Final answer
    x = 3,062.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.