Home / 3,849.16-5,311.90-2,256.94

Finding the Fourth Proportional to 3,849.16, 5,311.90 and 2,256.94

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Solution

The fourth proportional to 3,849.16, 5,311.90 and 2,256.94 is: 3,114.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,849.16 : 5,311.90 = 2,256.94 : x
  2. Step 2: Convert to fraction form
    3,849.16/5,311.90 = 2,256.94/x
  3. Step 3: Cross multiply
    3,849.16x = 5,311.90 × 2,256.94
  4. Step 4: Simplify right side
    3,849.16x = 11,988,639.59
  5. Step 5: Solve for x
    x = 11,988,639.59/3,849.16
  6. Step 6: Final answer
    x = 3,114.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.