Home / 1,481.28-2,044.80-1,069.44

Finding the Fourth Proportional to 1,481.28, 2,044.80 and 1,069.44

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Solution

The fourth proportional to 1,481.28, 2,044.80 and 1,069.44 is: 1,476.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,481.28 : 2,044.80 = 1,069.44 : x
  2. Step 2: Convert to fraction form
    1,481.28/2,044.80 = 1,069.44/x
  3. Step 3: Cross multiply
    1,481.28x = 2,044.80 × 1,069.44
  4. Step 4: Simplify right side
    1,481.28x = 2,186,790.91
  5. Step 5: Solve for x
    x = 2,186,790.91/1,481.28
  6. Step 6: Final answer
    x = 1,476.28

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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.