Home / 2,238-3,357.62-1,141.78

Finding the Fourth Proportional to 2,238, 3,357.62 and 1,141.78

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Solution

The fourth proportional to 2,238, 3,357.62 and 1,141.78 is: 1,712.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,238 : 3,357.62 = 1,141.78 : x
  2. Step 2: Convert to fraction form
    2,238/3,357.62 = 1,141.78/x
  3. Step 3: Cross multiply
    2,238x = 3,357.62 × 1,141.78
  4. Step 4: Simplify right side
    2,238x = 3,833,663.36
  5. Step 5: Solve for x
    x = 3,833,663.36/2,238
  6. Step 6: Final answer
    x = 1,712.99

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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.