Home / 2,398.88-3,310.36-1,336.64

Finding the Fourth Proportional to 2,398.88, 3,310.36 and 1,336.64

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Solution

The fourth proportional to 2,398.88, 3,310.36 and 1,336.64 is: 1,844.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,398.88 : 3,310.36 = 1,336.64 : x
  2. Step 2: Convert to fraction form
    2,398.88/3,310.36 = 1,336.64/x
  3. Step 3: Cross multiply
    2,398.88x = 3,310.36 × 1,336.64
  4. Step 4: Simplify right side
    2,398.88x = 4,424,759.59
  5. Step 5: Solve for x
    x = 4,424,759.59/2,398.88
  6. Step 6: Final answer
    x = 1,844.51

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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.