Home / 3,812.14-5,718.89-1,348.39

Finding the Fourth Proportional to 3,812.14, 5,718.89 and 1,348.39

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Solution

The fourth proportional to 3,812.14, 5,718.89 and 1,348.39 is: 2,022.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,812.14 : 5,718.89 = 1,348.39 : x
  2. Step 2: Convert to fraction form
    3,812.14/5,718.89 = 1,348.39/x
  3. Step 3: Cross multiply
    3,812.14x = 5,718.89 × 1,348.39
  4. Step 4: Simplify right side
    3,812.14x = 7,711,294.09
  5. Step 5: Solve for x
    x = 7,711,294.09/3,812.14
  6. Step 6: Final answer
    x = 2,022.83

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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.