Home / 3,163-4,738.29-2,983.18

Finding the Fourth Proportional to 3,163, 4,738.29 and 2,983.18

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Solution

The fourth proportional to 3,163, 4,738.29 and 2,983.18 is: 4,468.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,163 : 4,738.29 = 2,983.18 : x
  2. Step 2: Convert to fraction form
    3,163/4,738.29 = 2,983.18/x
  3. Step 3: Cross multiply
    3,163x = 4,738.29 × 2,983.18
  4. Step 4: Simplify right side
    3,163x = 14,135,171.96
  5. Step 5: Solve for x
    x = 14,135,171.96/3,163
  6. Step 6: Final answer
    x = 4,468.91

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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.