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Finding the Fourth Proportional to 2,720.34, 3,753.99 and 1,601.03

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Solution

The fourth proportional to 2,720.34, 3,753.99 and 1,601.03 is: 2,209.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,720.34 : 3,753.99 = 1,601.03 : x
  2. Step 2: Convert to fraction form
    2,720.34/3,753.99 = 1,601.03/x
  3. Step 3: Cross multiply
    2,720.34x = 3,753.99 × 1,601.03
  4. Step 4: Simplify right side
    2,720.34x = 6,010,250.61
  5. Step 5: Solve for x
    x = 6,010,250.61/2,720.34
  6. Step 6: Final answer
    x = 2,209.37

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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.