Home / 3,161.79-4,738.53-2,748.96

Finding the Fourth Proportional to 3,161.79, 4,738.53 and 2,748.96

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Solution

The fourth proportional to 3,161.79, 4,738.53 and 2,748.96 is: 4,119.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,161.79 : 4,738.53 = 2,748.96 : x
  2. Step 2: Convert to fraction form
    3,161.79/4,738.53 = 2,748.96/x
  3. Step 3: Cross multiply
    3,161.79x = 4,738.53 × 2,748.96
  4. Step 4: Simplify right side
    3,161.79x = 13,026,029.43
  5. Step 5: Solve for x
    x = 13,026,029.43/3,161.79
  6. Step 6: Final answer
    x = 4,119.83

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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.