Home / 3,324.71-4,987.20-1,103.73

Finding the Fourth Proportional to 3,324.71, 4,987.20 and 1,103.73

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Solution

The fourth proportional to 3,324.71, 4,987.20 and 1,103.73 is: 1,655.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,324.71 : 4,987.20 = 1,103.73 : x
  2. Step 2: Convert to fraction form
    3,324.71/4,987.20 = 1,103.73/x
  3. Step 3: Cross multiply
    3,324.71x = 4,987.20 × 1,103.73
  4. Step 4: Simplify right side
    3,324.71x = 5,504,536.82
  5. Step 5: Solve for x
    x = 5,504,536.82/3,324.71
  6. Step 6: Final answer
    x = 1,655.65

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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.