Home / 3,556.59-5,334.74-1,091.28

Finding the Fourth Proportional to 3,556.59, 5,334.74 and 1,091.28

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Solution

The fourth proportional to 3,556.59, 5,334.74 and 1,091.28 is: 1,636.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,556.59 : 5,334.74 = 1,091.28 : x
  2. Step 2: Convert to fraction form
    3,556.59/5,334.74 = 1,091.28/x
  3. Step 3: Cross multiply
    3,556.59x = 5,334.74 × 1,091.28
  4. Step 4: Simplify right side
    3,556.59x = 5,821,689.61
  5. Step 5: Solve for x
    x = 5,821,689.61/3,556.59
  6. Step 6: Final answer
    x = 1,636.87

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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.