Home / 4,181-6,270.70-2,100.45

Finding the Fourth Proportional to 4,181, 6,270.70 and 2,100.45

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Solution

The fourth proportional to 4,181, 6,270.70 and 2,100.45 is: 3,150.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,181 : 6,270.70 = 2,100.45 : x
  2. Step 2: Convert to fraction form
    4,181/6,270.70 = 2,100.45/x
  3. Step 3: Cross multiply
    4,181x = 6,270.70 × 2,100.45
  4. Step 4: Simplify right side
    4,181x = 13,171,291.82
  5. Step 5: Solve for x
    x = 13,171,291.82/4,181
  6. Step 6: Final answer
    x = 3,150.27

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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.