Home / 3,995.24-5,512.46-3,002.90

Finding the Fourth Proportional to 3,995.24, 5,512.46 and 3,002.90

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Solution

The fourth proportional to 3,995.24, 5,512.46 and 3,002.90 is: 4,143.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,995.24 : 5,512.46 = 3,002.90 : x
  2. Step 2: Convert to fraction form
    3,995.24/5,512.46 = 3,002.90/x
  3. Step 3: Cross multiply
    3,995.24x = 5,512.46 × 3,002.90
  4. Step 4: Simplify right side
    3,995.24x = 16,553,323.56
  5. Step 5: Solve for x
    x = 16,553,323.56/3,995.24
  6. Step 6: Final answer
    x = 4,143.27

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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.