Home / 3,785.13-5,224.91-2,213.73

Finding the Fourth Proportional to 3,785.13, 5,224.91 and 2,213.73

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Solution

The fourth proportional to 3,785.13, 5,224.91 and 2,213.73 is: 3,055.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,785.13 : 5,224.91 = 2,213.73 : x
  2. Step 2: Convert to fraction form
    3,785.13/5,224.91 = 2,213.73/x
  3. Step 3: Cross multiply
    3,785.13x = 5,224.91 × 2,213.73
  4. Step 4: Simplify right side
    3,785.13x = 11,566,528.95
  5. Step 5: Solve for x
    x = 11,566,528.95/3,785.13
  6. Step 6: Final answer
    x = 3,055.78

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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.