Home / 3,705.54-5,556.75-1,512.72

Finding the Fourth Proportional to 3,705.54, 5,556.75 and 1,512.72

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Solution

The fourth proportional to 3,705.54, 5,556.75 and 1,512.72 is: 2,268.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,705.54 : 5,556.75 = 1,512.72 : x
  2. Step 2: Convert to fraction form
    3,705.54/5,556.75 = 1,512.72/x
  3. Step 3: Cross multiply
    3,705.54x = 5,556.75 × 1,512.72
  4. Step 4: Simplify right side
    3,705.54x = 8,405,806.86
  5. Step 5: Solve for x
    x = 8,405,806.86/3,705.54
  6. Step 6: Final answer
    x = 2,268.44

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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.