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Finding the Fourth Proportional to 1,794.56, 2,691.85 and 562.08

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Solution

The fourth proportional to 1,794.56, 2,691.85 and 562.08 is: 843.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,794.56 : 2,691.85 = 562.08 : x
  2. Step 2: Convert to fraction form
    1,794.56/2,691.85 = 562.08/x
  3. Step 3: Cross multiply
    1,794.56x = 2,691.85 × 562.08
  4. Step 4: Simplify right side
    1,794.56x = 1,513,037.22
  5. Step 5: Solve for x
    x = 1,513,037.22/1,794.56
  6. Step 6: Final answer
    x = 843.12

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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.