Home / 3,556.91-5,331.92-1,997.66

Finding the Fourth Proportional to 3,556.91, 5,331.92 and 1,997.66

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Solution

The fourth proportional to 3,556.91, 5,331.92 and 1,997.66 is: 2,994.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,556.91 : 5,331.92 = 1,997.66 : x
  2. Step 2: Convert to fraction form
    3,556.91/5,331.92 = 1,997.66/x
  3. Step 3: Cross multiply
    3,556.91x = 5,331.92 × 1,997.66
  4. Step 4: Simplify right side
    3,556.91x = 10,651,326.66
  5. Step 5: Solve for x
    x = 10,651,326.66/3,556.91
  6. Step 6: Final answer
    x = 2,994.55

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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.