Home / 3,186.21-4,774.46-1,452.81

Finding the Fourth Proportional to 3,186.21, 4,774.46 and 1,452.81

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Solution

The fourth proportional to 3,186.21, 4,774.46 and 1,452.81 is: 2,177.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,186.21 : 4,774.46 = 1,452.81 : x
  2. Step 2: Convert to fraction form
    3,186.21/4,774.46 = 1,452.81/x
  3. Step 3: Cross multiply
    3,186.21x = 4,774.46 × 1,452.81
  4. Step 4: Simplify right side
    3,186.21x = 6,936,375.97
  5. Step 5: Solve for x
    x = 6,936,375.97/3,186.21
  6. Step 6: Final answer
    x = 2,177.00

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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.