Home / 3,286.84-4,941.66-2,642.12

Finding the Fourth Proportional to 3,286.84, 4,941.66 and 2,642.12

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Solution

The fourth proportional to 3,286.84, 4,941.66 and 2,642.12 is: 3,972.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,286.84 : 4,941.66 = 2,642.12 : x
  2. Step 2: Convert to fraction form
    3,286.84/4,941.66 = 2,642.12/x
  3. Step 3: Cross multiply
    3,286.84x = 4,941.66 × 2,642.12
  4. Step 4: Simplify right side
    3,286.84x = 13,056,458.72
  5. Step 5: Solve for x
    x = 13,056,458.72/3,286.84
  6. Step 6: Final answer
    x = 3,972.34

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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.