Home / 2,896.26-3,996.87-1,761.60

Finding the Fourth Proportional to 2,896.26, 3,996.87 and 1,761.60

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Solution

The fourth proportional to 2,896.26, 3,996.87 and 1,761.60 is: 2,431.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,896.26 : 3,996.87 = 1,761.60 : x
  2. Step 2: Convert to fraction form
    2,896.26/3,996.87 = 1,761.60/x
  3. Step 3: Cross multiply
    2,896.26x = 3,996.87 × 1,761.60
  4. Step 4: Simplify right side
    2,896.26x = 7,040,886.19
  5. Step 5: Solve for x
    x = 7,040,886.19/2,896.26
  6. Step 6: Final answer
    x = 2,431.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.