Home / 2,387.31-3,579.75-2,286.33

Finding the Fourth Proportional to 2,387.31, 3,579.75 and 2,286.33

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Solution

The fourth proportional to 2,387.31, 3,579.75 and 2,286.33 is: 3,428.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,387.31 : 3,579.75 = 2,286.33 : x
  2. Step 2: Convert to fraction form
    2,387.31/3,579.75 = 2,286.33/x
  3. Step 3: Cross multiply
    2,387.31x = 3,579.75 × 2,286.33
  4. Step 4: Simplify right side
    2,387.31x = 8,184,489.82
  5. Step 5: Solve for x
    x = 8,184,489.82/2,387.31
  6. Step 6: Final answer
    x = 3,428.33

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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.