Home / 3,032.20-4,183.70-2,021.91

Finding the Fourth Proportional to 3,032.20, 4,183.70 and 2,021.91

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Solution

The fourth proportional to 3,032.20, 4,183.70 and 2,021.91 is: 2,789.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,032.20 : 4,183.70 = 2,021.91 : x
  2. Step 2: Convert to fraction form
    3,032.20/4,183.70 = 2,021.91/x
  3. Step 3: Cross multiply
    3,032.20x = 4,183.70 × 2,021.91
  4. Step 4: Simplify right side
    3,032.20x = 8,459,073.98
  5. Step 5: Solve for x
    x = 8,459,073.98/3,032.20
  6. Step 6: Final answer
    x = 2,789.75

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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.