Home / 3,414.32-4,711.69-1,922.20

Finding the Fourth Proportional to 3,414.32, 4,711.69 and 1,922.20

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Solution

The fourth proportional to 3,414.32, 4,711.69 and 1,922.20 is: 2,652.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,414.32 : 4,711.69 = 1,922.20 : x
  2. Step 2: Convert to fraction form
    3,414.32/4,711.69 = 1,922.20/x
  3. Step 3: Cross multiply
    3,414.32x = 4,711.69 × 1,922.20
  4. Step 4: Simplify right side
    3,414.32x = 9,056,789.13
  5. Step 5: Solve for x
    x = 9,056,789.13/3,414.32
  6. Step 6: Final answer
    x = 2,652.59

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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.