Home / 3,955.12-5,936.28-2,107.80

Finding the Fourth Proportional to 3,955.12, 5,936.28 and 2,107.80

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Solution

The fourth proportional to 3,955.12, 5,936.28 and 2,107.80 is: 3,163.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,955.12 : 5,936.28 = 2,107.80 : x
  2. Step 2: Convert to fraction form
    3,955.12/5,936.28 = 2,107.80/x
  3. Step 3: Cross multiply
    3,955.12x = 5,936.28 × 2,107.80
  4. Step 4: Simplify right side
    3,955.12x = 12,512,490.98
  5. Step 5: Solve for x
    x = 12,512,490.98/3,955.12
  6. Step 6: Final answer
    x = 3,163.62

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1.5x scale

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.