Home / 3,944.92-5,915.32-1,171.21

Finding the Fourth Proportional to 3,944.92, 5,915.32 and 1,171.21

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Solution

The fourth proportional to 3,944.92, 5,915.32 and 1,171.21 is: 1,756.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,944.92 : 5,915.32 = 1,171.21 : x
  2. Step 2: Convert to fraction form
    3,944.92/5,915.32 = 1,171.21/x
  3. Step 3: Cross multiply
    3,944.92x = 5,915.32 × 1,171.21
  4. Step 4: Simplify right side
    3,944.92x = 6,928,081.94
  5. Step 5: Solve for x
    x = 6,928,081.94/3,944.92
  6. Step 6: Final answer
    x = 1,756.20

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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.