Home / 1,796.36-2,696.79-1,385.75

Finding the Fourth Proportional to 1,796.36, 2,696.79 and 1,385.75

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Solution

The fourth proportional to 1,796.36, 2,696.79 and 1,385.75 is: 2,080.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,796.36 : 2,696.79 = 1,385.75 : x
  2. Step 2: Convert to fraction form
    1,796.36/2,696.79 = 1,385.75/x
  3. Step 3: Cross multiply
    1,796.36x = 2,696.79 × 1,385.75
  4. Step 4: Simplify right side
    1,796.36x = 3,737,063.26
  5. Step 5: Solve for x
    x = 3,737,063.26/1,796.36
  6. Step 6: Final answer
    x = 2,080.36

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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.