Home / 3,908.31-5,857.01-2,807.52

Finding the Fourth Proportional to 3,908.31, 5,857.01 and 2,807.52

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Solution

The fourth proportional to 3,908.31, 5,857.01 and 2,807.52 is: 4,207.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,908.31 : 5,857.01 = 2,807.52 : x
  2. Step 2: Convert to fraction form
    3,908.31/5,857.01 = 2,807.52/x
  3. Step 3: Cross multiply
    3,908.31x = 5,857.01 × 2,807.52
  4. Step 4: Simplify right side
    3,908.31x = 16,443,658.68
  5. Step 5: Solve for x
    x = 16,443,658.68/3,908.31
  6. Step 6: Final answer
    x = 4,207.36

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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.