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Finding the Fourth Proportional to 3,384.63, 4,670.84 and 1,968.43

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Solution

The fourth proportional to 3,384.63, 4,670.84 and 1,968.43 is: 2,716.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,384.63 : 4,670.84 = 1,968.43 : x
  2. Step 2: Convert to fraction form
    3,384.63/4,670.84 = 1,968.43/x
  3. Step 3: Cross multiply
    3,384.63x = 4,670.84 × 1,968.43
  4. Step 4: Simplify right side
    3,384.63x = 9,194,221.58
  5. Step 5: Solve for x
    x = 9,194,221.58/3,384.63
  6. Step 6: Final answer
    x = 2,716.46

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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.