Home / 2,730.91-3,768.66-1,551.98

Finding the Fourth Proportional to 2,730.91, 3,768.66 and 1,551.98

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Solution

The fourth proportional to 2,730.91, 3,768.66 and 1,551.98 is: 2,141.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,730.91 : 3,768.66 = 1,551.98 : x
  2. Step 2: Convert to fraction form
    2,730.91/3,768.66 = 1,551.98/x
  3. Step 3: Cross multiply
    2,730.91x = 3,768.66 × 1,551.98
  4. Step 4: Simplify right side
    2,730.91x = 5,848,884.95
  5. Step 5: Solve for x
    x = 5,848,884.95/2,730.91
  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.