Home / 3,792.28-5,233.80-2,220.38

Finding the Fourth Proportional to 3,792.28, 5,233.80 and 2,220.38

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Solution

The fourth proportional to 3,792.28, 5,233.80 and 2,220.38 is: 3,064.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,792.28 : 5,233.80 = 2,220.38 : x
  2. Step 2: Convert to fraction form
    3,792.28/5,233.80 = 2,220.38/x
  3. Step 3: Cross multiply
    3,792.28x = 5,233.80 × 2,220.38
  4. Step 4: Simplify right side
    3,792.28x = 11,621,024.84
  5. Step 5: Solve for x
    x = 11,621,024.84/3,792.28
  6. Step 6: Final answer
    x = 3,064.39

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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.