Home / 3,911.24-5,396.94-2,339

Finding the Fourth Proportional to 3,911.24, 5,396.94 and 2,339

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Solution

The fourth proportional to 3,911.24, 5,396.94 and 2,339 is: 3,227.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,911.24 : 5,396.94 = 2,339 : x
  2. Step 2: Convert to fraction form
    3,911.24/5,396.94 = 2,339/x
  3. Step 3: Cross multiply
    3,911.24x = 5,396.94 × 2,339
  4. Step 4: Simplify right side
    3,911.24x = 12,623,442.66
  5. Step 5: Solve for x
    x = 12,623,442.66/3,911.24
  6. Step 6: Final answer
    x = 3,227.48

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1.5x scale

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.