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Finding the Fourth Proportional to 2,044.80, 3,069.12 and 1,071.60

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Solution

The fourth proportional to 2,044.80, 3,069.12 and 1,071.60 is: 1,608.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,044.80 : 3,069.12 = 1,071.60 : x
  2. Step 2: Convert to fraction form
    2,044.80/3,069.12 = 1,071.60/x
  3. Step 3: Cross multiply
    2,044.80x = 3,069.12 × 1,071.60
  4. Step 4: Simplify right side
    2,044.80x = 3,288,868.99
  5. Step 5: Solve for x
    x = 3,288,868.99/2,044.80
  6. Step 6: Final answer
    x = 1,608.41

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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.