Home / 2,730.46-3,768.03-1,551.75

Finding the Fourth Proportional to 2,730.46, 3,768.03 and 1,551.75

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Solution

The fourth proportional to 2,730.46, 3,768.03 and 1,551.75 is: 2,141.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,730.46 : 3,768.03 = 1,551.75 : x
  2. Step 2: Convert to fraction form
    2,730.46/3,768.03 = 1,551.75/x
  3. Step 3: Cross multiply
    2,730.46x = 3,768.03 × 1,551.75
  4. Step 4: Simplify right side
    2,730.46x = 5,847,053.85
  5. Step 5: Solve for x
    x = 5,847,053.85/2,730.46
  6. Step 6: Final answer
    x = 2,141.42

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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.