Home / 3,660.44-5,490.96-1,195.20

Finding the Fourth Proportional to 3,660.44, 5,490.96 and 1,195.20

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Solution

The fourth proportional to 3,660.44, 5,490.96 and 1,195.20 is: 1,792.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,660.44 : 5,490.96 = 1,195.20 : x
  2. Step 2: Convert to fraction form
    3,660.44/5,490.96 = 1,195.20/x
  3. Step 3: Cross multiply
    3,660.44x = 5,490.96 × 1,195.20
  4. Step 4: Simplify right side
    3,660.44x = 6,562,789.42
  5. Step 5: Solve for x
    x = 6,562,789.42/3,660.44
  6. Step 6: Final answer
    x = 1,792.90

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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.