Home / 3,190.99-4,785.60-1,341.73

Finding the Fourth Proportional to 3,190.99, 4,785.60 and 1,341.73

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Solution

The fourth proportional to 3,190.99, 4,785.60 and 1,341.73 is: 2,012.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,190.99 : 4,785.60 = 1,341.73 : x
  2. Step 2: Convert to fraction form
    3,190.99/4,785.60 = 1,341.73/x
  3. Step 3: Cross multiply
    3,190.99x = 4,785.60 × 1,341.73
  4. Step 4: Simplify right side
    3,190.99x = 6,420,983.09
  5. Step 5: Solve for x
    x = 6,420,983.09/3,190.99
  6. Step 6: Final answer
    x = 2,012.22

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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.