Home / 3,556.38-5,335.39-1,091.56

Finding the Fourth Proportional to 3,556.38, 5,335.39 and 1,091.56

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Solution

The fourth proportional to 3,556.38, 5,335.39 and 1,091.56 is: 1,637.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,556.38 : 5,335.39 = 1,091.56 : x
  2. Step 2: Convert to fraction form
    3,556.38/5,335.39 = 1,091.56/x
  3. Step 3: Cross multiply
    3,556.38x = 5,335.39 × 1,091.56
  4. Step 4: Simplify right side
    3,556.38x = 5,823,898.31
  5. Step 5: Solve for x
    x = 5,823,898.31/3,556.38
  6. Step 6: Final answer
    x = 1,637.59

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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.