Home / 3,276.64-4,520.16-1,949.92

Finding the Fourth Proportional to 3,276.64, 4,520.16 and 1,949.92

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Solution

The fourth proportional to 3,276.64, 4,520.16 and 1,949.92 is: 2,689.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,276.64 : 4,520.16 = 1,949.92 : x
  2. Step 2: Convert to fraction form
    3,276.64/4,520.16 = 1,949.92/x
  3. Step 3: Cross multiply
    3,276.64x = 4,520.16 × 1,949.92
  4. Step 4: Simplify right side
    3,276.64x = 8,813,950.39
  5. Step 5: Solve for x
    x = 8,813,950.39/3,276.64
  6. Step 6: Final answer
    x = 2,689.94

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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.