Home / 2,213.26-3,318.17-1,116.11

Finding the Fourth Proportional to 2,213.26, 3,318.17 and 1,116.11

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Solution

The fourth proportional to 2,213.26, 3,318.17 and 1,116.11 is: 1,673.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,213.26 : 3,318.17 = 1,116.11 : x
  2. Step 2: Convert to fraction form
    2,213.26/3,318.17 = 1,116.11/x
  3. Step 3: Cross multiply
    2,213.26x = 3,318.17 × 1,116.11
  4. Step 4: Simplify right side
    2,213.26x = 3,703,445.43
  5. Step 5: Solve for x
    x = 3,703,445.43/2,213.26
  6. Step 6: Final answer
    x = 1,673.30

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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.