Home / 3,621.74-5,436.25-2,644.88

Finding the Fourth Proportional to 3,621.74, 5,436.25 and 2,644.88

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Solution

The fourth proportional to 3,621.74, 5,436.25 and 2,644.88 is: 3,969.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621.74 : 5,436.25 = 2,644.88 : x
  2. Step 2: Convert to fraction form
    3,621.74/5,436.25 = 2,644.88/x
  3. Step 3: Cross multiply
    3,621.74x = 5,436.25 × 2,644.88
  4. Step 4: Simplify right side
    3,621.74x = 14,378,195.11
  5. Step 5: Solve for x
    x = 14,378,195.11/3,621.74
  6. Step 6: Final answer
    x = 3,969.97

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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.