Home / 3,660.21-5,490.49-1,195.02

Finding the Fourth Proportional to 3,660.21, 5,490.49 and 1,195.02

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Solution

The fourth proportional to 3,660.21, 5,490.49 and 1,195.02 is: 1,792.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,660.21 : 5,490.49 = 1,195.02 : x
  2. Step 2: Convert to fraction form
    3,660.21/5,490.49 = 1,195.02/x
  3. Step 3: Cross multiply
    3,660.21x = 5,490.49 × 1,195.02
  4. Step 4: Simplify right side
    3,660.21x = 6,561,245.36
  5. Step 5: Solve for x
    x = 6,561,245.36/3,660.21
  6. Step 6: Final answer
    x = 1,792.59

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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.