Home / 2,221.23-3,334.01-1,067.79

Finding the Fourth Proportional to 2,221.23, 3,334.01 and 1,067.79

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Solution

The fourth proportional to 2,221.23, 3,334.01 and 1,067.79 is: 1,602.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,221.23 : 3,334.01 = 1,067.79 : x
  2. Step 2: Convert to fraction form
    2,221.23/3,334.01 = 1,067.79/x
  3. Step 3: Cross multiply
    2,221.23x = 3,334.01 × 1,067.79
  4. Step 4: Simplify right side
    2,221.23x = 3,560,017.20
  5. Step 5: Solve for x
    x = 3,560,017.20/2,221.23
  6. Step 6: Final answer
    x = 1,602.72

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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.