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Finding the Fourth Proportional to 1,797.75, 2,695.41 and 702.21

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Solution

The fourth proportional to 1,797.75, 2,695.41 and 702.21 is: 1,052.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,797.75 : 2,695.41 = 702.21 : x
  2. Step 2: Convert to fraction form
    1,797.75/2,695.41 = 702.21/x
  3. Step 3: Cross multiply
    1,797.75x = 2,695.41 × 702.21
  4. Step 4: Simplify right side
    1,797.75x = 1,892,743.86
  5. Step 5: Solve for x
    x = 1,892,743.86/1,797.75
  6. Step 6: Final answer
    x = 1,052.84

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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.