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Finding the Fourth Proportional to 2,006.72, 3,010.54 and 774.14

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Solution

The fourth proportional to 2,006.72, 3,010.54 and 774.14 is: 1,161.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,006.72 : 3,010.54 = 774.14 : x
  2. Step 2: Convert to fraction form
    2,006.72/3,010.54 = 774.14/x
  3. Step 3: Cross multiply
    2,006.72x = 3,010.54 × 774.14
  4. Step 4: Simplify right side
    2,006.72x = 2,330,579.44
  5. Step 5: Solve for x
    x = 2,330,579.44/2,006.72
  6. Step 6: Final answer
    x = 1,161.39

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1.5x scale

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.