Home / 3,782.28-5,673.42-1,185.21

Finding the Fourth Proportional to 3,782.28, 5,673.42 and 1,185.21

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Solution

The fourth proportional to 3,782.28, 5,673.42 and 1,185.21 is: 1,777.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,782.28 : 5,673.42 = 1,185.21 : x
  2. Step 2: Convert to fraction form
    3,782.28/5,673.42 = 1,185.21/x
  3. Step 3: Cross multiply
    3,782.28x = 5,673.42 × 1,185.21
  4. Step 4: Simplify right side
    3,782.28x = 6,724,194.12
  5. Step 5: Solve for x
    x = 6,724,194.12/3,782.28
  6. Step 6: Final answer
    x = 1,777.82

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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.