Home / 3,144.38-4,342.21-2,027.32

Finding the Fourth Proportional to 3,144.38, 4,342.21 and 2,027.32

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Solution

The fourth proportional to 3,144.38, 4,342.21 and 2,027.32 is: 2,799.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,144.38 : 4,342.21 = 2,027.32 : x
  2. Step 2: Convert to fraction form
    3,144.38/4,342.21 = 2,027.32/x
  3. Step 3: Cross multiply
    3,144.38x = 4,342.21 × 2,027.32
  4. Step 4: Simplify right side
    3,144.38x = 8,803,033.25
  5. Step 5: Solve for x
    x = 8,803,033.25/3,144.38
  6. Step 6: Final answer
    x = 2,799.61

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1.5x scale

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.