Home / 3,195.11-4,787.77-2,151.25

Finding the Fourth Proportional to 3,195.11, 4,787.77 and 2,151.25

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Solution

The fourth proportional to 3,195.11, 4,787.77 and 2,151.25 is: 3,223.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,195.11 : 4,787.77 = 2,151.25 : x
  2. Step 2: Convert to fraction form
    3,195.11/4,787.77 = 2,151.25/x
  3. Step 3: Cross multiply
    3,195.11x = 4,787.77 × 2,151.25
  4. Step 4: Simplify right side
    3,195.11x = 10,299,690.21
  5. Step 5: Solve for x
    x = 10,299,690.21/3,195.11
  6. Step 6: Final answer
    x = 3,223.58

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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.