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Finding the Fourth Proportional to 2,208.84, 3,048.22 and 1,214.10

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Solution

The fourth proportional to 2,208.84, 3,048.22 and 1,214.10 is: 1,675.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,208.84 : 3,048.22 = 1,214.10 : x
  2. Step 2: Convert to fraction form
    2,208.84/3,048.22 = 1,214.10/x
  3. Step 3: Cross multiply
    2,208.84x = 3,048.22 × 1,214.10
  4. Step 4: Simplify right side
    2,208.84x = 3,700,843.90
  5. Step 5: Solve for x
    x = 3,700,843.90/2,208.84
  6. Step 6: Final answer
    x = 1,675.47

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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.