Home / 1,479.49-2,042.01-850.12

Finding the Fourth Proportional to 1,479.49, 2,042.01 and 850.12

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Solution

The fourth proportional to 1,479.49, 2,042.01 and 850.12 is: 1,173.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,479.49 : 2,042.01 = 850.12 : x
  2. Step 2: Convert to fraction form
    1,479.49/2,042.01 = 850.12/x
  3. Step 3: Cross multiply
    1,479.49x = 2,042.01 × 850.12
  4. Step 4: Simplify right side
    1,479.49x = 1,735,948.44
  5. Step 5: Solve for x
    x = 1,735,948.44/1,479.49
  6. Step 6: Final answer
    x = 1,173.34

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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.