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Finding the Fourth Proportional to 2,004.36, 3,006.40 and 850

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Solution

The fourth proportional to 2,004.36, 3,006.40 and 850 is: 1,274.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,004.36 : 3,006.40 = 850 : x
  2. Step 2: Convert to fraction form
    2,004.36/3,006.40 = 850/x
  3. Step 3: Cross multiply
    2,004.36x = 3,006.40 × 850
  4. Step 4: Simplify right side
    2,004.36x = 2,555,440
  5. Step 5: Solve for x
    x = 2,555,440/2,004.36
  6. Step 6: Final answer
    x = 1,274.94

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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.