Home / 3,886.14-5,828.23-1,112.83

Finding the Fourth Proportional to 3,886.14, 5,828.23 and 1,112.83

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Solution

The fourth proportional to 3,886.14, 5,828.23 and 1,112.83 is: 1,668.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,886.14 : 5,828.23 = 1,112.83 : x
  2. Step 2: Convert to fraction form
    3,886.14/5,828.23 = 1,112.83/x
  3. Step 3: Cross multiply
    3,886.14x = 5,828.23 × 1,112.83
  4. Step 4: Simplify right side
    3,886.14x = 6,485,829.19
  5. Step 5: Solve for x
    x = 6,485,829.19/3,886.14
  6. Step 6: Final answer
    x = 1,668.96

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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.