Home / 3,414.14-4,711.44-1,921.92

Finding the Fourth Proportional to 3,414.14, 4,711.44 and 1,921.92

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Solution

The fourth proportional to 3,414.14, 4,711.44 and 1,921.92 is: 2,652.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,414.14 : 4,711.44 = 1,921.92 : x
  2. Step 2: Convert to fraction form
    3,414.14/4,711.44 = 1,921.92/x
  3. Step 3: Cross multiply
    3,414.14x = 4,711.44 × 1,921.92
  4. Step 4: Simplify right side
    3,414.14x = 9,055,010.76
  5. Step 5: Solve for x
    x = 9,055,010.76/3,414.14
  6. Step 6: Final answer
    x = 2,652.21

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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.