Home / 2,771.12-3,823.30-1,576.02

Finding the Fourth Proportional to 2,771.12, 3,823.30 and 1,576.02

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Solution

The fourth proportional to 2,771.12, 3,823.30 and 1,576.02 is: 2,174.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,771.12 : 3,823.30 = 1,576.02 : x
  2. Step 2: Convert to fraction form
    2,771.12/3,823.30 = 1,576.02/x
  3. Step 3: Cross multiply
    2,771.12x = 3,823.30 × 1,576.02
  4. Step 4: Simplify right side
    2,771.12x = 6,025,578.15
  5. Step 5: Solve for x
    x = 6,025,578.15/2,771.12
  6. Step 6: Final answer
    x = 2,174.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.