Home / 3,608.13-5,409.81-3,114.51

Finding the Fourth Proportional to 3,608.13, 5,409.81 and 3,114.51

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Solution

The fourth proportional to 3,608.13, 5,409.81 and 3,114.51 is: 4,669.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,608.13 : 5,409.81 = 3,114.51 : x
  2. Step 2: Convert to fraction form
    3,608.13/5,409.81 = 3,114.51/x
  3. Step 3: Cross multiply
    3,608.13x = 5,409.81 × 3,114.51
  4. Step 4: Simplify right side
    3,608.13x = 16,848,907.34
  5. Step 5: Solve for x
    x = 16,848,907.34/3,608.13
  6. Step 6: Final answer
    x = 4,669.71

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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.