Home / 1,893.14-2,839.51-506.62

Finding the Fourth Proportional to 1,893.14, 2,839.51 and 506.62

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Solution

The fourth proportional to 1,893.14, 2,839.51 and 506.62 is: 759.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,893.14 : 2,839.51 = 506.62 : x
  2. Step 2: Convert to fraction form
    1,893.14/2,839.51 = 506.62/x
  3. Step 3: Cross multiply
    1,893.14x = 2,839.51 × 506.62
  4. Step 4: Simplify right side
    1,893.14x = 1,438,553.06
  5. Step 5: Solve for x
    x = 1,438,553.06/1,893.14
  6. Step 6: Final answer
    x = 759.88

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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.