Home / 2,721.11-3,754.26-1,601.64

Finding the Fourth Proportional to 2,721.11, 3,754.26 and 1,601.64

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Solution

The fourth proportional to 2,721.11, 3,754.26 and 1,601.64 is: 2,209.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,721.11 : 3,754.26 = 1,601.64 : x
  2. Step 2: Convert to fraction form
    2,721.11/3,754.26 = 1,601.64/x
  3. Step 3: Cross multiply
    2,721.11x = 3,754.26 × 1,601.64
  4. Step 4: Simplify right side
    2,721.11x = 6,012,972.99
  5. Step 5: Solve for x
    x = 6,012,972.99/2,721.11
  6. Step 6: Final answer
    x = 2,209.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.