Home / 2,221.74-3,067.22-1,337.76

Finding the Fourth Proportional to 2,221.74, 3,067.22 and 1,337.76

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Solution

The fourth proportional to 2,221.74, 3,067.22 and 1,337.76 is: 1,846.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,221.74 : 3,067.22 = 1,337.76 : x
  2. Step 2: Convert to fraction form
    2,221.74/3,067.22 = 1,337.76/x
  3. Step 3: Cross multiply
    2,221.74x = 3,067.22 × 1,337.76
  4. Step 4: Simplify right side
    2,221.74x = 4,103,204.23
  5. Step 5: Solve for x
    x = 4,103,204.23/2,221.74
  6. Step 6: Final answer
    x = 1,846.84

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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.