Home / 3,556.31-5,334.26-1,091.27

Finding the Fourth Proportional to 3,556.31, 5,334.26 and 1,091.27

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Solution

The fourth proportional to 3,556.31, 5,334.26 and 1,091.27 is: 1,636.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,556.31 : 5,334.26 = 1,091.27 : x
  2. Step 2: Convert to fraction form
    3,556.31/5,334.26 = 1,091.27/x
  3. Step 3: Cross multiply
    3,556.31x = 5,334.26 × 1,091.27
  4. Step 4: Simplify right side
    3,556.31x = 5,821,125.79
  5. Step 5: Solve for x
    x = 5,821,125.79/3,556.31
  6. Step 6: Final answer
    x = 1,636.85

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1.5x scale

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.