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Finding the Fourth Proportional to 2,719.75, 3,751.99 and 1,599.98

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Solution

The fourth proportional to 2,719.75, 3,751.99 and 1,599.98 is: 2,207.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,719.75 : 3,751.99 = 1,599.98 : x
  2. Step 2: Convert to fraction form
    2,719.75/3,751.99 = 1,599.98/x
  3. Step 3: Cross multiply
    2,719.75x = 3,751.99 × 1,599.98
  4. Step 4: Simplify right side
    2,719.75x = 6,003,086.20
  5. Step 5: Solve for x
    x = 6,003,086.20/2,719.75
  6. Step 6: Final answer
    x = 2,207.22

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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.