Home / 3,310.52-4,960.31-2,215.22

Finding the Fourth Proportional to 3,310.52, 4,960.31 and 2,215.22

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Solution

The fourth proportional to 3,310.52, 4,960.31 and 2,215.22 is: 3,319.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,310.52 : 4,960.31 = 2,215.22 : x
  2. Step 2: Convert to fraction form
    3,310.52/4,960.31 = 2,215.22/x
  3. Step 3: Cross multiply
    3,310.52x = 4,960.31 × 2,215.22
  4. Step 4: Simplify right side
    3,310.52x = 10,988,142.04
  5. Step 5: Solve for x
    x = 10,988,142.04/3,310.52
  6. Step 6: Final answer
    x = 3,319.16

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1.5x scale

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.