Home / 3,616.88-5,419.73-2,442.28

Finding the Fourth Proportional to 3,616.88, 5,419.73 and 2,442.28

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Solution

The fourth proportional to 3,616.88, 5,419.73 and 2,442.28 is: 3,659.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,616.88 : 5,419.73 = 2,442.28 : x
  2. Step 2: Convert to fraction form
    3,616.88/5,419.73 = 2,442.28/x
  3. Step 3: Cross multiply
    3,616.88x = 5,419.73 × 2,442.28
  4. Step 4: Simplify right side
    3,616.88x = 13,236,471.09
  5. Step 5: Solve for x
    x = 13,236,471.09/3,616.88
  6. Step 6: Final answer
    x = 3,659.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.