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Finding the Fourth Proportional to 3,365.09, 5,048.09 and 1,173.53

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Solution

The fourth proportional to 3,365.09, 5,048.09 and 1,173.53 is: 1,760.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,365.09 : 5,048.09 = 1,173.53 : x
  2. Step 2: Convert to fraction form
    3,365.09/5,048.09 = 1,173.53/x
  3. Step 3: Cross multiply
    3,365.09x = 5,048.09 × 1,173.53
  4. Step 4: Simplify right side
    3,365.09x = 5,924,053.95
  5. Step 5: Solve for x
    x = 5,924,053.95/3,365.09
  6. Step 6: Final answer
    x = 1,760.45

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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.