Home / 3,556.89-4,908.33-1,984.68

Finding the Fourth Proportional to 3,556.89, 4,908.33 and 1,984.68

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Solution

The fourth proportional to 3,556.89, 4,908.33 and 1,984.68 is: 2,738.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,556.89 : 4,908.33 = 1,984.68 : x
  2. Step 2: Convert to fraction form
    3,556.89/4,908.33 = 1,984.68/x
  3. Step 3: Cross multiply
    3,556.89x = 4,908.33 × 1,984.68
  4. Step 4: Simplify right side
    3,556.89x = 9,741,464.38
  5. Step 5: Solve for x
    x = 9,741,464.38/3,556.89
  6. Step 6: Final answer
    x = 2,738.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.