Home / 3,785.33-5,224.42-2,887.60

Finding the Fourth Proportional to 3,785.33, 5,224.42 and 2,887.60

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Solution

The fourth proportional to 3,785.33, 5,224.42 and 2,887.60 is: 3,985.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,785.33 : 5,224.42 = 2,887.60 : x
  2. Step 2: Convert to fraction form
    3,785.33/5,224.42 = 2,887.60/x
  3. Step 3: Cross multiply
    3,785.33x = 5,224.42 × 2,887.60
  4. Step 4: Simplify right side
    3,785.33x = 15,086,043.66
  5. Step 5: Solve for x
    x = 15,086,043.66/3,785.33
  6. Step 6: Final answer
    x = 3,985.39

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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.