Home / 3,939.28-5,896.68-2,946.25

Finding the Fourth Proportional to 3,939.28, 5,896.68 and 2,946.25

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Solution

The fourth proportional to 3,939.28, 5,896.68 and 2,946.25 is: 4,410.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,939.28 : 5,896.68 = 2,946.25 : x
  2. Step 2: Convert to fraction form
    3,939.28/5,896.68 = 2,946.25/x
  3. Step 3: Cross multiply
    3,939.28x = 5,896.68 × 2,946.25
  4. Step 4: Simplify right side
    3,939.28x = 17,373,093.45
  5. Step 5: Solve for x
    x = 17,373,093.45/3,939.28
  6. Step 6: Final answer
    x = 4,410.22

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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.