Home / 2,825.28-4,229.04-1,956.96

Finding the Fourth Proportional to 2,825.28, 4,229.04 and 1,956.96

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Solution

The fourth proportional to 2,825.28, 4,229.04 and 1,956.96 is: 2,929.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,825.28 : 4,229.04 = 1,956.96 : x
  2. Step 2: Convert to fraction form
    2,825.28/4,229.04 = 1,956.96/x
  3. Step 3: Cross multiply
    2,825.28x = 4,229.04 × 1,956.96
  4. Step 4: Simplify right side
    2,825.28x = 8,276,062.12
  5. Step 5: Solve for x
    x = 8,276,062.12/2,825.28
  6. Step 6: Final answer
    x = 2,929.29

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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.