Home / 2,730.86-3,768.54-1,551.92

Finding the Fourth Proportional to 2,730.86, 3,768.54 and 1,551.92

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Solution

The fourth proportional to 2,730.86, 3,768.54 and 1,551.92 is: 2,141.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,730.86 : 3,768.54 = 1,551.92 : x
  2. Step 2: Convert to fraction form
    2,730.86/3,768.54 = 1,551.92/x
  3. Step 3: Cross multiply
    2,730.86x = 3,768.54 × 1,551.92
  4. Step 4: Simplify right side
    2,730.86x = 5,848,472.60
  5. Step 5: Solve for x
    x = 5,848,472.60/2,730.86
  6. Step 6: Final answer
    x = 2,141.62

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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.