Home / 3,280.87-4,924.15-1,721.97

Finding the Fourth Proportional to 3,280.87, 4,924.15 and 1,721.97

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Solution

The fourth proportional to 3,280.87, 4,924.15 and 1,721.97 is: 2,584.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280.87 : 4,924.15 = 1,721.97 : x
  2. Step 2: Convert to fraction form
    3,280.87/4,924.15 = 1,721.97/x
  3. Step 3: Cross multiply
    3,280.87x = 4,924.15 × 1,721.97
  4. Step 4: Simplify right side
    3,280.87x = 8,479,240.27
  5. Step 5: Solve for x
    x = 8,479,240.27/3,280.87
  6. Step 6: Final answer
    x = 2,584.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.