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Finding the Fourth Proportional to 1,797.74, 2,695.65 and 564.83

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Solution

The fourth proportional to 1,797.74, 2,695.65 and 564.83 is: 846.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,797.74 : 2,695.65 = 564.83 : x
  2. Step 2: Convert to fraction form
    1,797.74/2,695.65 = 564.83/x
  3. Step 3: Cross multiply
    1,797.74x = 2,695.65 × 564.83
  4. Step 4: Simplify right side
    1,797.74x = 1,522,583.99
  5. Step 5: Solve for x
    x = 1,522,583.99/1,797.74
  6. Step 6: Final answer
    x = 846.94

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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.