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Finding the Fourth Proportional to 1,797.24, 2,696.55 and 702.39

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Solution

The fourth proportional to 1,797.24, 2,696.55 and 702.39 is: 1,053.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,797.24 : 2,696.55 = 702.39 : x
  2. Step 2: Convert to fraction form
    1,797.24/2,696.55 = 702.39/x
  3. Step 3: Cross multiply
    1,797.24x = 2,696.55 × 702.39
  4. Step 4: Simplify right side
    1,797.24x = 1,894,029.75
  5. Step 5: Solve for x
    x = 1,894,029.75/1,797.24
  6. Step 6: Final answer
    x = 1,053.85

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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.