Home / 3,310.10-4,965.15-1,230.56

Finding the Fourth Proportional to 3,310.10, 4,965.15 and 1,230.56

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Solution

The fourth proportional to 3,310.10, 4,965.15 and 1,230.56 is: 1,845.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,310.10 : 4,965.15 = 1,230.56 : x
  2. Step 2: Convert to fraction form
    3,310.10/4,965.15 = 1,230.56/x
  3. Step 3: Cross multiply
    3,310.10x = 4,965.15 × 1,230.56
  4. Step 4: Simplify right side
    3,310.10x = 6,109,890.16
  5. Step 5: Solve for x
    x = 6,109,890.16/3,310.10
  6. Step 6: Final answer
    x = 1,845.84

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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.