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Finding the Fourth Proportional to 3,608.52, 5,412.54 and 3,368.04

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Solution

The fourth proportional to 3,608.52, 5,412.54 and 3,368.04 is: 5,051.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,608.52 : 5,412.54 = 3,368.04 : x
  2. Step 2: Convert to fraction form
    3,608.52/5,412.54 = 3,368.04/x
  3. Step 3: Cross multiply
    3,608.52x = 5,412.54 × 3,368.04
  4. Step 4: Simplify right side
    3,608.52x = 18,229,651.22
  5. Step 5: Solve for x
    x = 18,229,651.22/3,608.52
  6. Step 6: Final answer
    x = 5,051.84

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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.