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Finding the Fourth Proportional to 1,741, 2,611.73 and 816.07

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Solution

The fourth proportional to 1,741, 2,611.73 and 816.07 is: 1,224.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,741 : 2,611.73 = 816.07 : x
  2. Step 2: Convert to fraction form
    1,741/2,611.73 = 816.07/x
  3. Step 3: Cross multiply
    1,741x = 2,611.73 × 816.07
  4. Step 4: Simplify right side
    1,741x = 2,131,354.50
  5. Step 5: Solve for x
    x = 2,131,354.50/1,741
  6. Step 6: Final answer
    x = 1,224.21

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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.