Home / 3,952.45-5,454.34-2,183.94

Finding the Fourth Proportional to 3,952.45, 5,454.34 and 2,183.94

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Solution

The fourth proportional to 3,952.45, 5,454.34 and 2,183.94 is: 3,013.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,952.45 : 5,454.34 = 2,183.94 : x
  2. Step 2: Convert to fraction form
    3,952.45/5,454.34 = 2,183.94/x
  3. Step 3: Cross multiply
    3,952.45x = 5,454.34 × 2,183.94
  4. Step 4: Simplify right side
    3,952.45x = 11,911,951.30
  5. Step 5: Solve for x
    x = 11,911,951.30/3,952.45
  6. Step 6: Final answer
    x = 3,013.81

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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.