Home / 3,792.45-5,233.76-2,221.05

Finding the Fourth Proportional to 3,792.45, 5,233.76 and 2,221.05

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Solution

The fourth proportional to 3,792.45, 5,233.76 and 2,221.05 is: 3,065.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,792.45 : 5,233.76 = 2,221.05 : x
  2. Step 2: Convert to fraction form
    3,792.45/5,233.76 = 2,221.05/x
  3. Step 3: Cross multiply
    3,792.45x = 5,233.76 × 2,221.05
  4. Step 4: Simplify right side
    3,792.45x = 11,624,471.99
  5. Step 5: Solve for x
    x = 11,624,471.99/3,792.45
  6. Step 6: Final answer
    x = 3,065.16

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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.