Home / 2,728.01-3,764.66-1,549.09

Finding the Fourth Proportional to 2,728.01, 3,764.66 and 1,549.09

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Solution

The fourth proportional to 2,728.01, 3,764.66 and 1,549.09 is: 2,137.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,728.01 : 3,764.66 = 1,549.09 : x
  2. Step 2: Convert to fraction form
    2,728.01/3,764.66 = 1,549.09/x
  3. Step 3: Cross multiply
    2,728.01x = 3,764.66 × 1,549.09
  4. Step 4: Simplify right side
    2,728.01x = 5,831,794.12
  5. Step 5: Solve for x
    x = 5,831,794.12/2,728.01
  6. Step 6: Final answer
    x = 2,137.74

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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.