Home / 3,424.56-5,139.72-2,744.88

Finding the Fourth Proportional to 3,424.56, 5,139.72 and 2,744.88

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Solution

The fourth proportional to 3,424.56, 5,139.72 and 2,744.88 is: 4,119.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,424.56 : 5,139.72 = 2,744.88 : x
  2. Step 2: Convert to fraction form
    3,424.56/5,139.72 = 2,744.88/x
  3. Step 3: Cross multiply
    3,424.56x = 5,139.72 × 2,744.88
  4. Step 4: Simplify right side
    3,424.56x = 14,107,914.63
  5. Step 5: Solve for x
    x = 14,107,914.63/3,424.56
  6. Step 6: Final answer
    x = 4,119.63

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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.