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Finding the Fourth Proportional to 2,836.63, 3,915.02 and 1,657.48

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Solution

The fourth proportional to 2,836.63, 3,915.02 and 1,657.48 is: 2,287.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,836.63 : 3,915.02 = 1,657.48 : x
  2. Step 2: Convert to fraction form
    2,836.63/3,915.02 = 1,657.48/x
  3. Step 3: Cross multiply
    2,836.63x = 3,915.02 × 1,657.48
  4. Step 4: Simplify right side
    2,836.63x = 6,489,067.35
  5. Step 5: Solve for x
    x = 6,489,067.35/2,836.63
  6. Step 6: Final answer
    x = 2,287.60

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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.