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Finding the Fourth Proportional to 3,618.04, 4,992.82 and 1,962.04

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Solution

The fourth proportional to 3,618.04, 4,992.82 and 1,962.04 is: 2,707.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,618.04 : 4,992.82 = 1,962.04 : x
  2. Step 2: Convert to fraction form
    3,618.04/4,992.82 = 1,962.04/x
  3. Step 3: Cross multiply
    3,618.04x = 4,992.82 × 1,962.04
  4. Step 4: Simplify right side
    3,618.04x = 9,796,112.55
  5. Step 5: Solve for x
    x = 9,796,112.55/3,618.04
  6. Step 6: Final answer
    x = 2,707.57

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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.