Home / 2,277.20-3,141.42-1,961.92

Finding the Fourth Proportional to 2,277.20, 3,141.42 and 1,961.92

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Solution

The fourth proportional to 2,277.20, 3,141.42 and 1,961.92 is: 2,706.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,277.20 : 3,141.42 = 1,961.92 : x
  2. Step 2: Convert to fraction form
    2,277.20/3,141.42 = 1,961.92/x
  3. Step 3: Cross multiply
    2,277.20x = 3,141.42 × 1,961.92
  4. Step 4: Simplify right side
    2,277.20x = 6,163,210.83
  5. Step 5: Solve for x
    x = 6,163,210.83/2,277.20
  6. Step 6: Final answer
    x = 2,706.49

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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.