Home / 2,270.64-3,131.90-2,194.44

Finding the Fourth Proportional to 2,270.64, 3,131.90 and 2,194.44

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Solution

The fourth proportional to 2,270.64, 3,131.90 and 2,194.44 is: 3,026.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,270.64 : 3,131.90 = 2,194.44 : x
  2. Step 2: Convert to fraction form
    2,270.64/3,131.90 = 2,194.44/x
  3. Step 3: Cross multiply
    2,270.64x = 3,131.90 × 2,194.44
  4. Step 4: Simplify right side
    2,270.64x = 6,872,766.64
  5. Step 5: Solve for x
    x = 6,872,766.64/2,270.64
  6. Step 6: Final answer
    x = 3,026.80

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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.