Home / 3,302.20-4,964.10-3,107.80

Finding the Fourth Proportional to 3,302.20, 4,964.10 and 3,107.80

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Solution

The fourth proportional to 3,302.20, 4,964.10 and 3,107.80 is: 4,671.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,302.20 : 4,964.10 = 3,107.80 : x
  2. Step 2: Convert to fraction form
    3,302.20/4,964.10 = 3,107.80/x
  3. Step 3: Cross multiply
    3,302.20x = 4,964.10 × 3,107.80
  4. Step 4: Simplify right side
    3,302.20x = 15,427,429.98
  5. Step 5: Solve for x
    x = 15,427,429.98/3,302.20
  6. Step 6: Final answer
    x = 4,671.86

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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.