Home / 3,280.23-4,522.64-2,648.43

Finding the Fourth Proportional to 3,280.23, 4,522.64 and 2,648.43

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Solution

The fourth proportional to 3,280.23, 4,522.64 and 2,648.43 is: 3,651.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280.23 : 4,522.64 = 2,648.43 : x
  2. Step 2: Convert to fraction form
    3,280.23/4,522.64 = 2,648.43/x
  3. Step 3: Cross multiply
    3,280.23x = 4,522.64 × 2,648.43
  4. Step 4: Simplify right side
    3,280.23x = 11,977,882.21
  5. Step 5: Solve for x
    x = 11,977,882.21/3,280.23
  6. Step 6: Final answer
    x = 3,651.54

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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.