Home / 1,893.38-2,839.76-1,343.89

Finding the Fourth Proportional to 1,893.38, 2,839.76 and 1,343.89

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Solution

The fourth proportional to 1,893.38, 2,839.76 and 1,343.89 is: 2,015.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,893.38 : 2,839.76 = 1,343.89 : x
  2. Step 2: Convert to fraction form
    1,893.38/2,839.76 = 1,343.89/x
  3. Step 3: Cross multiply
    1,893.38x = 2,839.76 × 1,343.89
  4. Step 4: Simplify right side
    1,893.38x = 3,816,326.94
  5. Step 5: Solve for x
    x = 3,816,326.94/1,893.38
  6. Step 6: Final answer
    x = 2,015.62

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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.