Home / 2,217.44-3,328.22-1,122.58

Finding the Fourth Proportional to 2,217.44, 3,328.22 and 1,122.58

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Solution

The fourth proportional to 2,217.44, 3,328.22 and 1,122.58 is: 1,684.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,217.44 : 3,328.22 = 1,122.58 : x
  2. Step 2: Convert to fraction form
    2,217.44/3,328.22 = 1,122.58/x
  3. Step 3: Cross multiply
    2,217.44x = 3,328.22 × 1,122.58
  4. Step 4: Simplify right side
    2,217.44x = 3,736,193.21
  5. Step 5: Solve for x
    x = 3,736,193.21/2,217.44
  6. Step 6: Final answer
    x = 1,684.91

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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.