Home / 3,828.91-5,283.26-2,256.79

Finding the Fourth Proportional to 3,828.91, 5,283.26 and 2,256.79

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Solution

The fourth proportional to 3,828.91, 5,283.26 and 2,256.79 is: 3,114.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,828.91 : 5,283.26 = 2,256.79 : x
  2. Step 2: Convert to fraction form
    3,828.91/5,283.26 = 2,256.79/x
  3. Step 3: Cross multiply
    3,828.91x = 5,283.26 × 2,256.79
  4. Step 4: Simplify right side
    3,828.91x = 11,923,208.34
  5. Step 5: Solve for x
    x = 11,923,208.34/3,828.91
  6. Step 6: Final answer
    x = 3,114.00

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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.