Home / 3,828.84-5,285.81-2,576.48

Finding the Fourth Proportional to 3,828.84, 5,285.81 and 2,576.48

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Solution

The fourth proportional to 3,828.84, 5,285.81 and 2,576.48 is: 3,556.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,828.84 : 5,285.81 = 2,576.48 : x
  2. Step 2: Convert to fraction form
    3,828.84/5,285.81 = 2,576.48/x
  3. Step 3: Cross multiply
    3,828.84x = 5,285.81 × 2,576.48
  4. Step 4: Simplify right side
    3,828.84x = 13,618,749.27
  5. Step 5: Solve for x
    x = 13,618,749.27/3,828.84
  6. Step 6: Final answer
    x = 3,556.89

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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.