Home / 3,464.44-4,780.92-2,138.56

Finding the Fourth Proportional to 3,464.44, 4,780.92 and 2,138.56

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Solution

The fourth proportional to 3,464.44, 4,780.92 and 2,138.56 is: 2,951.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,464.44 : 4,780.92 = 2,138.56 : x
  2. Step 2: Convert to fraction form
    3,464.44/4,780.92 = 2,138.56/x
  3. Step 3: Cross multiply
    3,464.44x = 4,780.92 × 2,138.56
  4. Step 4: Simplify right side
    3,464.44x = 10,224,284.28
  5. Step 5: Solve for x
    x = 10,224,284.28/3,464.44
  6. Step 6: Final answer
    x = 2,951.21

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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.