Home / 2,268.21-3,397.73-2,079.21

Finding the Fourth Proportional to 2,268.21, 3,397.73 and 2,079.21

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Solution

The fourth proportional to 2,268.21, 3,397.73 and 2,079.21 is: 3,114.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,268.21 : 3,397.73 = 2,079.21 : x
  2. Step 2: Convert to fraction form
    2,268.21/3,397.73 = 2,079.21/x
  3. Step 3: Cross multiply
    2,268.21x = 3,397.73 × 2,079.21
  4. Step 4: Simplify right side
    2,268.21x = 7,064,583.80
  5. Step 5: Solve for x
    x = 7,064,583.80/2,268.21
  6. Step 6: Final answer
    x = 3,114.61

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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.