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Finding the Fourth Proportional to 3,473.40, 4,792.12 and 1,981.08

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Solution

The fourth proportional to 3,473.40, 4,792.12 and 1,981.08 is: 2,733.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,473.40 : 4,792.12 = 1,981.08 : x
  2. Step 2: Convert to fraction form
    3,473.40/4,792.12 = 1,981.08/x
  3. Step 3: Cross multiply
    3,473.40x = 4,792.12 × 1,981.08
  4. Step 4: Simplify right side
    3,473.40x = 9,493,573.09
  5. Step 5: Solve for x
    x = 9,493,573.09/3,473.40
  6. Step 6: Final answer
    x = 2,733.22

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.