Home / 2,576.31-3,860.97-1,186.59

Finding the Fourth Proportional to 2,576.31, 3,860.97 and 1,186.59

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Solution

The fourth proportional to 2,576.31, 3,860.97 and 1,186.59 is: 1,778.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,576.31 : 3,860.97 = 1,186.59 : x
  2. Step 2: Convert to fraction form
    2,576.31/3,860.97 = 1,186.59/x
  3. Step 3: Cross multiply
    2,576.31x = 3,860.97 × 1,186.59
  4. Step 4: Simplify right side
    2,576.31x = 4,581,388.39
  5. Step 5: Solve for x
    x = 4,581,388.39/2,576.31
  6. Step 6: Final answer
    x = 1,778.28

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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.