Home / 2,396.16-3,306.67-1,388.00

Finding the Fourth Proportional to 2,396.16, 3,306.67 and 1,388.00

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Solution

The fourth proportional to 2,396.16, 3,306.67 and 1,388.00 is: 1,915.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,396.16 : 3,306.67 = 1,388.00 : x
  2. Step 2: Convert to fraction form
    2,396.16/3,306.67 = 1,388.00/x
  3. Step 3: Cross multiply
    2,396.16x = 3,306.67 × 1,388.00
  4. Step 4: Simplify right side
    2,396.16x = 4,589,670.56
  5. Step 5: Solve for x
    x = 4,589,670.56/2,396.16
  6. Step 6: Final answer
    x = 1,915.43

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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.