Home / 3,553.19-5,329.75-1,605.39

Finding the Fourth Proportional to 3,553.19, 5,329.75 and 1,605.39

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Solution

The fourth proportional to 3,553.19, 5,329.75 and 1,605.39 is: 2,408.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,553.19 : 5,329.75 = 1,605.39 : x
  2. Step 2: Convert to fraction form
    3,553.19/5,329.75 = 1,605.39/x
  3. Step 3: Cross multiply
    3,553.19x = 5,329.75 × 1,605.39
  4. Step 4: Simplify right side
    3,553.19x = 8,556,351.33
  5. Step 5: Solve for x
    x = 8,556,351.33/3,553.19
  6. Step 6: Final answer
    x = 2,408.07

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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.