Home / 2,730.90-3,768.67-1,551.97

Finding the Fourth Proportional to 2,730.90, 3,768.67 and 1,551.97

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Solution

The fourth proportional to 2,730.90, 3,768.67 and 1,551.97 is: 2,141.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,730.90 : 3,768.67 = 1,551.97 : x
  2. Step 2: Convert to fraction form
    2,730.90/3,768.67 = 1,551.97/x
  3. Step 3: Cross multiply
    2,730.90x = 3,768.67 × 1,551.97
  4. Step 4: Simplify right side
    2,730.90x = 5,848,862.78
  5. Step 5: Solve for x
    x = 5,848,862.78/2,730.90
  6. Step 6: Final answer
    x = 2,141.73

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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.