Home / 3,276.28-4,521.68-1,879

Finding the Fourth Proportional to 3,276.28, 4,521.68 and 1,879

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Solution

The fourth proportional to 3,276.28, 4,521.68 and 1,879 is: 2,593.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,276.28 : 4,521.68 = 1,879 : x
  2. Step 2: Convert to fraction form
    3,276.28/4,521.68 = 1,879/x
  3. Step 3: Cross multiply
    3,276.28x = 4,521.68 × 1,879
  4. Step 4: Simplify right side
    3,276.28x = 8,496,236.72
  5. Step 5: Solve for x
    x = 8,496,236.72/3,276.28
  6. Step 6: Final answer
    x = 2,593.26

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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.