Home / 3,669.05-5,501.84-1,328.60

Finding the Fourth Proportional to 3,669.05, 5,501.84 and 1,328.60

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Solution

The fourth proportional to 3,669.05, 5,501.84 and 1,328.60 is: 1,992.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,669.05 : 5,501.84 = 1,328.60 : x
  2. Step 2: Convert to fraction form
    3,669.05/5,501.84 = 1,328.60/x
  3. Step 3: Cross multiply
    3,669.05x = 5,501.84 × 1,328.60
  4. Step 4: Simplify right side
    3,669.05x = 7,309,744.62
  5. Step 5: Solve for x
    x = 7,309,744.62/3,669.05
  6. Step 6: Final answer
    x = 1,992.27

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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.