Home / 3,205.43-4,423.50-1,879.91

Finding the Fourth Proportional to 3,205.43, 4,423.50 and 1,879.91

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Solution

The fourth proportional to 3,205.43, 4,423.50 and 1,879.91 is: 2,594.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,205.43 : 4,423.50 = 1,879.91 : x
  2. Step 2: Convert to fraction form
    3,205.43/4,423.50 = 1,879.91/x
  3. Step 3: Cross multiply
    3,205.43x = 4,423.50 × 1,879.91
  4. Step 4: Simplify right side
    3,205.43x = 8,315,759.77
  5. Step 5: Solve for x
    x = 8,315,759.77/3,205.43
  6. Step 6: Final answer
    x = 2,594.28

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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.