Home / 3,974.55-5,955.74-2,125.92

Finding the Fourth Proportional to 3,974.55, 5,955.74 and 2,125.92

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Solution

The fourth proportional to 3,974.55, 5,955.74 and 2,125.92 is: 3,185.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,974.55 : 5,955.74 = 2,125.92 : x
  2. Step 2: Convert to fraction form
    3,974.55/5,955.74 = 2,125.92/x
  3. Step 3: Cross multiply
    3,974.55x = 5,955.74 × 2,125.92
  4. Step 4: Simplify right side
    3,974.55x = 12,661,426.78
  5. Step 5: Solve for x
    x = 12,661,426.78/3,974.55
  6. Step 6: Final answer
    x = 3,185.63

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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.