Home / 2,849.68-4,273.26-1,289.62

Finding the Fourth Proportional to 2,849.68, 4,273.26 and 1,289.62

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Solution

The fourth proportional to 2,849.68, 4,273.26 and 1,289.62 is: 1,933.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,849.68 : 4,273.26 = 1,289.62 : x
  2. Step 2: Convert to fraction form
    2,849.68/4,273.26 = 1,289.62/x
  3. Step 3: Cross multiply
    2,849.68x = 4,273.26 × 1,289.62
  4. Step 4: Simplify right side
    2,849.68x = 5,510,870.88
  5. Step 5: Solve for x
    x = 5,510,870.88/2,849.68
  6. Step 6: Final answer
    x = 1,933.86

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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.