Home / 3,577.92-5,367.64-1,112.68

Finding the Fourth Proportional to 3,577.92, 5,367.64 and 1,112.68

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Solution

The fourth proportional to 3,577.92, 5,367.64 and 1,112.68 is: 1,669.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,577.92 : 5,367.64 = 1,112.68 : x
  2. Step 2: Convert to fraction form
    3,577.92/5,367.64 = 1,112.68/x
  3. Step 3: Cross multiply
    3,577.92x = 5,367.64 × 1,112.68
  4. Step 4: Simplify right side
    3,577.92x = 5,972,465.68
  5. Step 5: Solve for x
    x = 5,972,465.68/3,577.92
  6. Step 6: Final answer
    x = 1,669.26

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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.