Home / 3,414.23-5,123.51-1,956.23

Finding the Fourth Proportional to 3,414.23, 5,123.51 and 1,956.23

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Solution

The fourth proportional to 3,414.23, 5,123.51 and 1,956.23 is: 2,935.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,414.23 : 5,123.51 = 1,956.23 : x
  2. Step 2: Convert to fraction form
    3,414.23/5,123.51 = 1,956.23/x
  3. Step 3: Cross multiply
    3,414.23x = 5,123.51 × 1,956.23
  4. Step 4: Simplify right side
    3,414.23x = 10,022,763.97
  5. Step 5: Solve for x
    x = 10,022,763.97/3,414.23
  6. Step 6: Final answer
    x = 2,935.59

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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.