Home / 3,576.43-5,359.70-2,581.31

Finding the Fourth Proportional to 3,576.43, 5,359.70 and 2,581.31

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Solution

The fourth proportional to 3,576.43, 5,359.70 and 2,581.31 is: 3,868.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,576.43 : 5,359.70 = 2,581.31 : x
  2. Step 2: Convert to fraction form
    3,576.43/5,359.70 = 2,581.31/x
  3. Step 3: Cross multiply
    3,576.43x = 5,359.70 × 2,581.31
  4. Step 4: Simplify right side
    3,576.43x = 13,835,020.41
  5. Step 5: Solve for x
    x = 13,835,020.41/3,576.43
  6. Step 6: Final answer
    x = 3,868.39

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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.