Home / 3,310.12-4,962.30-1,665.28

Finding the Fourth Proportional to 3,310.12, 4,962.30 and 1,665.28

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Solution

The fourth proportional to 3,310.12, 4,962.30 and 1,665.28 is: 2,496.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,310.12 : 4,962.30 = 1,665.28 : x
  2. Step 2: Convert to fraction form
    3,310.12/4,962.30 = 1,665.28/x
  3. Step 3: Cross multiply
    3,310.12x = 4,962.30 × 1,665.28
  4. Step 4: Simplify right side
    3,310.12x = 8,263,618.94
  5. Step 5: Solve for x
    x = 8,263,618.94/3,310.12
  6. Step 6: Final answer
    x = 2,496.47

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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.