Home / 3,661.31-5,491.80-1,195.81

Finding the Fourth Proportional to 3,661.31, 5,491.80 and 1,195.81

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Solution

The fourth proportional to 3,661.31, 5,491.80 and 1,195.81 is: 1,793.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,661.31 : 5,491.80 = 1,195.81 : x
  2. Step 2: Convert to fraction form
    3,661.31/5,491.80 = 1,195.81/x
  3. Step 3: Cross multiply
    3,661.31x = 5,491.80 × 1,195.81
  4. Step 4: Simplify right side
    3,661.31x = 6,567,149.36
  5. Step 5: Solve for x
    x = 6,567,149.36/3,661.31
  6. Step 6: Final answer
    x = 1,793.66

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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.