Home / 3,679.21-5,513.95-1,485.33

Finding the Fourth Proportional to 3,679.21, 5,513.95 and 1,485.33

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Solution

The fourth proportional to 3,679.21, 5,513.95 and 1,485.33 is: 2,226.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,679.21 : 5,513.95 = 1,485.33 : x
  2. Step 2: Convert to fraction form
    3,679.21/5,513.95 = 1,485.33/x
  3. Step 3: Cross multiply
    3,679.21x = 5,513.95 × 1,485.33
  4. Step 4: Simplify right side
    3,679.21x = 8,190,035.35
  5. Step 5: Solve for x
    x = 8,190,035.35/3,679.21
  6. Step 6: Final answer
    x = 2,226.03

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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.