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Finding the Fourth Proportional to 1,797.74, 2,696.58 and 702.88

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Solution

The fourth proportional to 1,797.74, 2,696.58 and 702.88 is: 1,054.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,797.74 : 2,696.58 = 702.88 : x
  2. Step 2: Convert to fraction form
    1,797.74/2,696.58 = 702.88/x
  3. Step 3: Cross multiply
    1,797.74x = 2,696.58 × 702.88
  4. Step 4: Simplify right side
    1,797.74x = 1,895,372.15
  5. Step 5: Solve for x
    x = 1,895,372.15/1,797.74
  6. Step 6: Final answer
    x = 1,054.31

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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.