Home / 3,276.25-4,521.18-1,949.92

Finding the Fourth Proportional to 3,276.25, 4,521.18 and 1,949.92

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Solution

The fourth proportional to 3,276.25, 4,521.18 and 1,949.92 is: 2,690.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,276.25 : 4,521.18 = 1,949.92 : x
  2. Step 2: Convert to fraction form
    3,276.25/4,521.18 = 1,949.92/x
  3. Step 3: Cross multiply
    3,276.25x = 4,521.18 × 1,949.92
  4. Step 4: Simplify right side
    3,276.25x = 8,815,939.31
  5. Step 5: Solve for x
    x = 8,815,939.31/3,276.25
  6. Step 6: Final answer
    x = 2,690.86

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1.5x scale

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.