Home / 3,928.46-5,887.68-1,843.87

Finding the Fourth Proportional to 3,928.46, 5,887.68 and 1,843.87

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Solution

The fourth proportional to 3,928.46, 5,887.68 and 1,843.87 is: 2,763.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,928.46 : 5,887.68 = 1,843.87 : x
  2. Step 2: Convert to fraction form
    3,928.46/5,887.68 = 1,843.87/x
  3. Step 3: Cross multiply
    3,928.46x = 5,887.68 × 1,843.87
  4. Step 4: Simplify right side
    3,928.46x = 10,856,101.80
  5. Step 5: Solve for x
    x = 10,856,101.80/3,928.46
  6. Step 6: Final answer
    x = 2,763.45

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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.