Home / 2,731.11-3,768.66-1,551.94

Finding the Fourth Proportional to 2,731.11, 3,768.66 and 1,551.94

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Solution

The fourth proportional to 2,731.11, 3,768.66 and 1,551.94 is: 2,141.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,731.11 : 3,768.66 = 1,551.94 : x
  2. Step 2: Convert to fraction form
    2,731.11/3,768.66 = 1,551.94/x
  3. Step 3: Cross multiply
    2,731.11x = 3,768.66 × 1,551.94
  4. Step 4: Simplify right side
    2,731.11x = 5,848,734.20
  5. Step 5: Solve for x
    x = 5,848,734.20/2,731.11
  6. Step 6: Final answer
    x = 2,141.52

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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.