Home / 3,886.36-5,828.54-1,112.44

Finding the Fourth Proportional to 3,886.36, 5,828.54 and 1,112.44

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Solution

The fourth proportional to 3,886.36, 5,828.54 and 1,112.44 is: 1,668.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,886.36 : 5,828.54 = 1,112.44 : x
  2. Step 2: Convert to fraction form
    3,886.36/5,828.54 = 1,112.44/x
  3. Step 3: Cross multiply
    3,886.36x = 5,828.54 × 1,112.44
  4. Step 4: Simplify right side
    3,886.36x = 6,483,901.04
  5. Step 5: Solve for x
    x = 6,483,901.04/3,886.36
  6. Step 6: Final answer
    x = 1,668.37

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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.