Home / 3,310.20-4,965.30-2,935.80

Finding the Fourth Proportional to 3,310.20, 4,965.30 and 2,935.80

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Solution

The fourth proportional to 3,310.20, 4,965.30 and 2,935.80 is: 4,403.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,310.20 : 4,965.30 = 2,935.80 : x
  2. Step 2: Convert to fraction form
    3,310.20/4,965.30 = 2,935.80/x
  3. Step 3: Cross multiply
    3,310.20x = 4,965.30 × 2,935.80
  4. Step 4: Simplify right side
    3,310.20x = 14,577,127.74
  5. Step 5: Solve for x
    x = 14,577,127.74/3,310.20
  6. Step 6: Final answer
    x = 4,403.70

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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.