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Finding the Fourth Proportional to 1,469.63, 2,028.02 and 880.04

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Solution

The fourth proportional to 1,469.63, 2,028.02 and 880.04 is: 1,214.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,469.63 : 2,028.02 = 880.04 : x
  2. Step 2: Convert to fraction form
    1,469.63/2,028.02 = 880.04/x
  3. Step 3: Cross multiply
    1,469.63x = 2,028.02 × 880.04
  4. Step 4: Simplify right side
    1,469.63x = 1,784,739.39
  5. Step 5: Solve for x
    x = 1,784,739.39/1,469.63
  6. Step 6: Final answer
    x = 1,214.41

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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.