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Finding the Fourth Proportional to 2,162.44, 3,244.20 and 623.44

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Solution

The fourth proportional to 2,162.44, 3,244.20 and 623.44 is: 935.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,162.44 : 3,244.20 = 623.44 : x
  2. Step 2: Convert to fraction form
    2,162.44/3,244.20 = 623.44/x
  3. Step 3: Cross multiply
    2,162.44x = 3,244.20 × 623.44
  4. Step 4: Simplify right side
    2,162.44x = 2,022,555.94
  5. Step 5: Solve for x
    x = 2,022,555.94/2,162.44
  6. Step 6: Final answer
    x = 935.31

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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.