Home / 2,066.24-3,100.32-1,286.04

Finding the Fourth Proportional to 2,066.24, 3,100.32 and 1,286.04

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Solution

The fourth proportional to 2,066.24, 3,100.32 and 1,286.04 is: 1,929.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,066.24 : 3,100.32 = 1,286.04 : x
  2. Step 2: Convert to fraction form
    2,066.24/3,100.32 = 1,286.04/x
  3. Step 3: Cross multiply
    2,066.24x = 3,100.32 × 1,286.04
  4. Step 4: Simplify right side
    2,066.24x = 3,987,135.53
  5. Step 5: Solve for x
    x = 3,987,135.53/2,066.24
  6. Step 6: Final answer
    x = 1,929.66

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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.