Home / 3,785.78-5,224.56-2,192.60

Finding the Fourth Proportional to 3,785.78, 5,224.56 and 2,192.60

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Solution

The fourth proportional to 3,785.78, 5,224.56 and 2,192.60 is: 3,025.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,785.78 : 5,224.56 = 2,192.60 : x
  2. Step 2: Convert to fraction form
    3,785.78/5,224.56 = 2,192.60/x
  3. Step 3: Cross multiply
    3,785.78x = 5,224.56 × 2,192.60
  4. Step 4: Simplify right side
    3,785.78x = 11,455,370.26
  5. Step 5: Solve for x
    x = 11,455,370.26/3,785.78
  6. Step 6: Final answer
    x = 3,025.89

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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.