Home / 2,223.29-3,339.66-2,161.73

Finding the Fourth Proportional to 2,223.29, 3,339.66 and 2,161.73

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Solution

The fourth proportional to 2,223.29, 3,339.66 and 2,161.73 is: 3,247.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,223.29 : 3,339.66 = 2,161.73 : x
  2. Step 2: Convert to fraction form
    2,223.29/3,339.66 = 2,161.73/x
  3. Step 3: Cross multiply
    2,223.29x = 3,339.66 × 2,161.73
  4. Step 4: Simplify right side
    2,223.29x = 7,219,443.21
  5. Step 5: Solve for x
    x = 7,219,443.21/2,223.29
  6. Step 6: Final answer
    x = 3,247.19

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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.