Home / 2,576.30-3,865.04-727.37

Finding the Fourth Proportional to 2,576.30, 3,865.04 and 727.37

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Solution

The fourth proportional to 2,576.30, 3,865.04 and 727.37 is: 1,091.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,576.30 : 3,865.04 = 727.37 : x
  2. Step 2: Convert to fraction form
    2,576.30/3,865.04 = 727.37/x
  3. Step 3: Cross multiply
    2,576.30x = 3,865.04 × 727.37
  4. Step 4: Simplify right side
    2,576.30x = 2,811,291.18
  5. Step 5: Solve for x
    x = 2,811,291.18/2,576.30
  6. Step 6: Final answer
    x = 1,091.21

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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.