Home / 3,038.20-4,194.63-2,201.68

Finding the Fourth Proportional to 3,038.20, 4,194.63 and 2,201.68

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Solution

The fourth proportional to 3,038.20, 4,194.63 and 2,201.68 is: 3,039.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,038.20 : 4,194.63 = 2,201.68 : x
  2. Step 2: Convert to fraction form
    3,038.20/4,194.63 = 2,201.68/x
  3. Step 3: Cross multiply
    3,038.20x = 4,194.63 × 2,201.68
  4. Step 4: Simplify right side
    3,038.20x = 9,235,232.98
  5. Step 5: Solve for x
    x = 9,235,232.98/3,038.20
  6. Step 6: Final answer
    x = 3,039.71

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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.