Home / 3,195.79-4,411.01-2,863.64

Finding the Fourth Proportional to 3,195.79, 4,411.01 and 2,863.64

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Solution

The fourth proportional to 3,195.79, 4,411.01 and 2,863.64 is: 3,952.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,195.79 : 4,411.01 = 2,863.64 : x
  2. Step 2: Convert to fraction form
    3,195.79/4,411.01 = 2,863.64/x
  3. Step 3: Cross multiply
    3,195.79x = 4,411.01 × 2,863.64
  4. Step 4: Simplify right side
    3,195.79x = 12,631,521.94
  5. Step 5: Solve for x
    x = 12,631,521.94/3,195.79
  6. Step 6: Final answer
    x = 3,952.55

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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.