Home / 3,390.60-5,091.06-3,223.54

Finding the Fourth Proportional to 3,390.60, 5,091.06 and 3,223.54

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Solution

The fourth proportional to 3,390.60, 5,091.06 and 3,223.54 is: 4,840.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,390.60 : 5,091.06 = 3,223.54 : x
  2. Step 2: Convert to fraction form
    3,390.60/5,091.06 = 3,223.54/x
  3. Step 3: Cross multiply
    3,390.60x = 5,091.06 × 3,223.54
  4. Step 4: Simplify right side
    3,390.60x = 16,411,235.55
  5. Step 5: Solve for x
    x = 16,411,235.55/3,390.60
  6. Step 6: Final answer
    x = 4,840.22

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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.