Home / 2,311.90-3,466.72-1,324.57

Finding the Fourth Proportional to 2,311.90, 3,466.72 and 1,324.57

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Solution

The fourth proportional to 2,311.90, 3,466.72 and 1,324.57 is: 1,986.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,311.90 : 3,466.72 = 1,324.57 : x
  2. Step 2: Convert to fraction form
    2,311.90/3,466.72 = 1,324.57/x
  3. Step 3: Cross multiply
    2,311.90x = 3,466.72 × 1,324.57
  4. Step 4: Simplify right side
    2,311.90x = 4,591,889.35
  5. Step 5: Solve for x
    x = 4,591,889.35/2,311.90
  6. Step 6: Final answer
    x = 1,986.20

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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.