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Finding the Fourth Proportional to 1,949.67, 2,924.51 and 563.09

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Solution

The fourth proportional to 1,949.67, 2,924.51 and 563.09 is: 844.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,949.67 : 2,924.51 = 563.09 : x
  2. Step 2: Convert to fraction form
    1,949.67/2,924.51 = 563.09/x
  3. Step 3: Cross multiply
    1,949.67x = 2,924.51 × 563.09
  4. Step 4: Simplify right side
    1,949.67x = 1,646,744.90
  5. Step 5: Solve for x
    x = 1,646,744.90/1,949.67
  6. Step 6: Final answer
    x = 844.63

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Similar ratio
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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.