Home / 3,163-4,738.56-2,924.32

Finding the Fourth Proportional to 3,163, 4,738.56 and 2,924.32

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Solution

The fourth proportional to 3,163, 4,738.56 and 2,924.32 is: 4,380.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,163 : 4,738.56 = 2,924.32 : x
  2. Step 2: Convert to fraction form
    3,163/4,738.56 = 2,924.32/x
  3. Step 3: Cross multiply
    3,163x = 4,738.56 × 2,924.32
  4. Step 4: Simplify right side
    3,163x = 13,857,065.78
  5. Step 5: Solve for x
    x = 13,857,065.78/3,163
  6. Step 6: Final answer
    x = 4,380.99

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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.