Home / 3,936.90-5,433.57-2,366.58

Finding the Fourth Proportional to 3,936.90, 5,433.57 and 2,366.58

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Solution

The fourth proportional to 3,936.90, 5,433.57 and 2,366.58 is: 3,266.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,936.90 : 5,433.57 = 2,366.58 : x
  2. Step 2: Convert to fraction form
    3,936.90/5,433.57 = 2,366.58/x
  3. Step 3: Cross multiply
    3,936.90x = 5,433.57 × 2,366.58
  4. Step 4: Simplify right side
    3,936.90x = 12,858,978.09
  5. Step 5: Solve for x
    x = 12,858,978.09/3,936.90
  6. Step 6: Final answer
    x = 3,266.27

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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.