Home / 2,849.20-4,275.96-1,922.56

Finding the Fourth Proportional to 2,849.20, 4,275.96 and 1,922.56

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Solution

The fourth proportional to 2,849.20, 4,275.96 and 1,922.56 is: 2,885.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,849.20 : 4,275.96 = 1,922.56 : x
  2. Step 2: Convert to fraction form
    2,849.20/4,275.96 = 1,922.56/x
  3. Step 3: Cross multiply
    2,849.20x = 4,275.96 × 1,922.56
  4. Step 4: Simplify right side
    2,849.20x = 8,220,789.66
  5. Step 5: Solve for x
    x = 8,220,789.66/2,849.20
  6. Step 6: Final answer
    x = 2,885.30

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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.