Home / 3,775.30-5,664.31-1,927.28

Finding the Fourth Proportional to 3,775.30, 5,664.31 and 1,927.28

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Solution

The fourth proportional to 3,775.30, 5,664.31 and 1,927.28 is: 2,891.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,775.30 : 5,664.31 = 1,927.28 : x
  2. Step 2: Convert to fraction form
    3,775.30/5,664.31 = 1,927.28/x
  3. Step 3: Cross multiply
    3,775.30x = 5,664.31 × 1,927.28
  4. Step 4: Simplify right side
    3,775.30x = 10,916,711.38
  5. Step 5: Solve for x
    x = 10,916,711.38/3,775.30
  6. Step 6: Final answer
    x = 2,891.61

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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.