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Finding the Fourth Proportional to 2,343.26, 3,505.55 and 1,819.26

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Solution

The fourth proportional to 2,343.26, 3,505.55 and 1,819.26 is: 2,721.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,343.26 : 3,505.55 = 1,819.26 : x
  2. Step 2: Convert to fraction form
    2,343.26/3,505.55 = 1,819.26/x
  3. Step 3: Cross multiply
    2,343.26x = 3,505.55 × 1,819.26
  4. Step 4: Simplify right side
    2,343.26x = 6,377,497.80
  5. Step 5: Solve for x
    x = 6,377,497.80/2,343.26
  6. Step 6: Final answer
    x = 2,721.63

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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.