Home / 3,414.64-5,119.69-2,757.33

Finding the Fourth Proportional to 3,414.64, 5,119.69 and 2,757.33

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Solution

The fourth proportional to 3,414.64, 5,119.69 and 2,757.33 is: 4,134.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,414.64 : 5,119.69 = 2,757.33 : x
  2. Step 2: Convert to fraction form
    3,414.64/5,119.69 = 2,757.33/x
  3. Step 3: Cross multiply
    3,414.64x = 5,119.69 × 2,757.33
  4. Step 4: Simplify right side
    3,414.64x = 14,116,674.83
  5. Step 5: Solve for x
    x = 14,116,674.83/3,414.64
  6. Step 6: Final answer
    x = 4,134.16

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1.5x scale

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.