Home / 3,556.56-5,334.69-1,216.80

Finding the Fourth Proportional to 3,556.56, 5,334.69 and 1,216.80

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Solution

The fourth proportional to 3,556.56, 5,334.69 and 1,216.80 is: 1,825.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,556.56 : 5,334.69 = 1,216.80 : x
  2. Step 2: Convert to fraction form
    3,556.56/5,334.69 = 1,216.80/x
  3. Step 3: Cross multiply
    3,556.56x = 5,334.69 × 1,216.80
  4. Step 4: Simplify right side
    3,556.56x = 6,491,250.79
  5. Step 5: Solve for x
    x = 6,491,250.79/3,556.56
  6. Step 6: Final answer
    x = 1,825.15

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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.