Home / 4,286.74-5,915.79-2,398.36

Finding the Fourth Proportional to 4,286.74, 5,915.79 and 2,398.36

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Solution

The fourth proportional to 4,286.74, 5,915.79 and 2,398.36 is: 3,309.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,286.74 : 5,915.79 = 2,398.36 : x
  2. Step 2: Convert to fraction form
    4,286.74/5,915.79 = 2,398.36/x
  3. Step 3: Cross multiply
    4,286.74x = 5,915.79 × 2,398.36
  4. Step 4: Simplify right side
    4,286.74x = 14,188,194.10
  5. Step 5: Solve for x
    x = 14,188,194.10/4,286.74
  6. Step 6: Final answer
    x = 3,309.79

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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.