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Finding the Fourth Proportional to 2,229.53, 3,344.32 and 843.51

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Solution

The fourth proportional to 2,229.53, 3,344.32 and 843.51 is: 1,265.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,229.53 : 3,344.32 = 843.51 : x
  2. Step 2: Convert to fraction form
    2,229.53/3,344.32 = 843.51/x
  3. Step 3: Cross multiply
    2,229.53x = 3,344.32 × 843.51
  4. Step 4: Simplify right side
    2,229.53x = 2,820,980.96
  5. Step 5: Solve for x
    x = 2,820,980.96/2,229.53
  6. Step 6: Final answer
    x = 1,265.28

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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.