Home / 3,468.53-4,786.92-1,976.72

Finding the Fourth Proportional to 3,468.53, 4,786.92 and 1,976.72

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Solution

The fourth proportional to 3,468.53, 4,786.92 and 1,976.72 is: 2,728.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,468.53 : 4,786.92 = 1,976.72 : x
  2. Step 2: Convert to fraction form
    3,468.53/4,786.92 = 1,976.72/x
  3. Step 3: Cross multiply
    3,468.53x = 4,786.92 × 1,976.72
  4. Step 4: Simplify right side
    3,468.53x = 9,462,376.57
  5. Step 5: Solve for x
    x = 9,462,376.57/3,468.53
  6. Step 6: Final answer
    x = 2,728.07

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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.