Home / 3,686.39-5,087.24-2,194.01

Finding the Fourth Proportional to 3,686.39, 5,087.24 and 2,194.01

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Solution

The fourth proportional to 3,686.39, 5,087.24 and 2,194.01 is: 3,027.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,686.39 : 5,087.24 = 2,194.01 : x
  2. Step 2: Convert to fraction form
    3,686.39/5,087.24 = 2,194.01/x
  3. Step 3: Cross multiply
    3,686.39x = 5,087.24 × 2,194.01
  4. Step 4: Simplify right side
    3,686.39x = 11,161,455.43
  5. Step 5: Solve for x
    x = 11,161,455.43/3,686.39
  6. Step 6: Final answer
    x = 3,027.75

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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.