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Finding the Fourth Proportional to 1,469, 2,198.04 and 884.28

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Solution

The fourth proportional to 1,469, 2,198.04 and 884.28 is: 1,323.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,469 : 2,198.04 = 884.28 : x
  2. Step 2: Convert to fraction form
    1,469/2,198.04 = 884.28/x
  3. Step 3: Cross multiply
    1,469x = 2,198.04 × 884.28
  4. Step 4: Simplify right side
    1,469x = 1,943,682.81
  5. Step 5: Solve for x
    x = 1,943,682.81/1,469
  6. Step 6: Final answer
    x = 1,323.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.