Home / 2,296.09-3,168.67-1,287.83

Finding the Fourth Proportional to 2,296.09, 3,168.67 and 1,287.83

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Solution

The fourth proportional to 2,296.09, 3,168.67 and 1,287.83 is: 1,777.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,296.09 : 3,168.67 = 1,287.83 : x
  2. Step 2: Convert to fraction form
    2,296.09/3,168.67 = 1,287.83/x
  3. Step 3: Cross multiply
    2,296.09x = 3,168.67 × 1,287.83
  4. Step 4: Simplify right side
    2,296.09x = 4,080,692.44
  5. Step 5: Solve for x
    x = 4,080,692.44/2,296.09
  6. Step 6: Final answer
    x = 1,777.24

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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.