Home / 3,912.90-5,396.94-2,497.56

Finding the Fourth Proportional to 3,912.90, 5,396.94 and 2,497.56

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Solution

The fourth proportional to 3,912.90, 5,396.94 and 2,497.56 is: 3,444.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,912.90 : 5,396.94 = 2,497.56 : x
  2. Step 2: Convert to fraction form
    3,912.90/5,396.94 = 2,497.56/x
  3. Step 3: Cross multiply
    3,912.90x = 5,396.94 × 2,497.56
  4. Step 4: Simplify right side
    3,912.90x = 13,479,181.47
  5. Step 5: Solve for x
    x = 13,479,181.47/3,912.90
  6. Step 6: Final answer
    x = 3,444.81

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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.