Home / 3,556.44-5,334.80-1,091.21

Finding the Fourth Proportional to 3,556.44, 5,334.80 and 1,091.21

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Solution

The fourth proportional to 3,556.44, 5,334.80 and 1,091.21 is: 1,636.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,556.44 : 5,334.80 = 1,091.21 : x
  2. Step 2: Convert to fraction form
    3,556.44/5,334.80 = 1,091.21/x
  3. Step 3: Cross multiply
    3,556.44x = 5,334.80 × 1,091.21
  4. Step 4: Simplify right side
    3,556.44x = 5,821,354.98
  5. Step 5: Solve for x
    x = 5,821,354.98/3,556.44
  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.