Home / 3,729.89-5,584.86-1,971.26

Finding the Fourth Proportional to 3,729.89, 5,584.86 and 1,971.26

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Solution

The fourth proportional to 3,729.89, 5,584.86 and 1,971.26 is: 2,951.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,729.89 : 5,584.86 = 1,971.26 : x
  2. Step 2: Convert to fraction form
    3,729.89/5,584.86 = 1,971.26/x
  3. Step 3: Cross multiply
    3,729.89x = 5,584.86 × 1,971.26
  4. Step 4: Simplify right side
    3,729.89x = 11,009,211.12
  5. Step 5: Solve for x
    x = 11,009,211.12/3,729.89
  6. Step 6: Final answer
    x = 2,951.62

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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.