Home / 2,721.22-3,754.44-1,601.80

Finding the Fourth Proportional to 2,721.22, 3,754.44 and 1,601.80

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Solution

The fourth proportional to 2,721.22, 3,754.44 and 1,601.80 is: 2,209.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,721.22 : 3,754.44 = 1,601.80 : x
  2. Step 2: Convert to fraction form
    2,721.22/3,754.44 = 1,601.80/x
  3. Step 3: Cross multiply
    2,721.22x = 3,754.44 × 1,601.80
  4. Step 4: Simplify right side
    2,721.22x = 6,013,861.99
  5. Step 5: Solve for x
    x = 6,013,861.99/2,721.22
  6. Step 6: Final answer
    x = 2,209.99

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1.5x scale

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.