Home / 2,849.38-4,270.87-2,153.79

Finding the Fourth Proportional to 2,849.38, 4,270.87 and 2,153.79

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Solution

The fourth proportional to 2,849.38, 4,270.87 and 2,153.79 is: 3,228.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,849.38 : 4,270.87 = 2,153.79 : x
  2. Step 2: Convert to fraction form
    2,849.38/4,270.87 = 2,153.79/x
  3. Step 3: Cross multiply
    2,849.38x = 4,270.87 × 2,153.79
  4. Step 4: Simplify right side
    2,849.38x = 9,198,557.10
  5. Step 5: Solve for x
    x = 9,198,557.10/2,849.38
  6. Step 6: Final answer
    x = 3,228.27

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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.