Home / 3,811.14-5,717.39-1,347.39

Finding the Fourth Proportional to 3,811.14, 5,717.39 and 1,347.39

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Solution

The fourth proportional to 3,811.14, 5,717.39 and 1,347.39 is: 2,021.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,811.14 : 5,717.39 = 1,347.39 : x
  2. Step 2: Convert to fraction form
    3,811.14/5,717.39 = 1,347.39/x
  3. Step 3: Cross multiply
    3,811.14x = 5,717.39 × 1,347.39
  4. Step 4: Simplify right side
    3,811.14x = 7,703,554.11
  5. Step 5: Solve for x
    x = 7,703,554.11/3,811.14
  6. Step 6: Final answer
    x = 2,021.33

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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.