Home / 3,887.83-5,367.97-2,396.22

Finding the Fourth Proportional to 3,887.83, 5,367.97 and 2,396.22

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Solution

The fourth proportional to 3,887.83, 5,367.97 and 2,396.22 is: 3,308.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,887.83 : 5,367.97 = 2,396.22 : x
  2. Step 2: Convert to fraction form
    3,887.83/5,367.97 = 2,396.22/x
  3. Step 3: Cross multiply
    3,887.83x = 5,367.97 × 2,396.22
  4. Step 4: Simplify right side
    3,887.83x = 12,862,837.07
  5. Step 5: Solve for x
    x = 12,862,837.07/3,887.83
  6. Step 6: Final answer
    x = 3,308.49

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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.