Home / 2,727.05-3,765.08-1,679.72

Finding the Fourth Proportional to 2,727.05, 3,765.08 and 1,679.72

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Solution

The fourth proportional to 2,727.05, 3,765.08 and 1,679.72 is: 2,319.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,727.05 : 3,765.08 = 1,679.72 : x
  2. Step 2: Convert to fraction form
    2,727.05/3,765.08 = 1,679.72/x
  3. Step 3: Cross multiply
    2,727.05x = 3,765.08 × 1,679.72
  4. Step 4: Simplify right side
    2,727.05x = 6,324,252.95
  5. Step 5: Solve for x
    x = 6,324,252.95/2,727.05
  6. Step 6: Final answer
    x = 2,319.09

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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.