Home / 3,980.89-5,960.40-3,004.03

Finding the Fourth Proportional to 3,980.89, 5,960.40 and 3,004.03

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Solution

The fourth proportional to 3,980.89, 5,960.40 and 3,004.03 is: 4,497.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,980.89 : 5,960.40 = 3,004.03 : x
  2. Step 2: Convert to fraction form
    3,980.89/5,960.40 = 3,004.03/x
  3. Step 3: Cross multiply
    3,980.89x = 5,960.40 × 3,004.03
  4. Step 4: Simplify right side
    3,980.89x = 17,905,220.41
  5. Step 5: Solve for x
    x = 17,905,220.41/3,980.89
  6. Step 6: Final answer
    x = 4,497.79

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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.