Home / 3,982.56-5,971.85-1,873.50

Finding the Fourth Proportional to 3,982.56, 5,971.85 and 1,873.50

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Solution

The fourth proportional to 3,982.56, 5,971.85 and 1,873.50 is: 2,809.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,982.56 : 5,971.85 = 1,873.50 : x
  2. Step 2: Convert to fraction form
    3,982.56/5,971.85 = 1,873.50/x
  3. Step 3: Cross multiply
    3,982.56x = 5,971.85 × 1,873.50
  4. Step 4: Simplify right side
    3,982.56x = 11,188,251.61
  5. Step 5: Solve for x
    x = 11,188,251.61/3,982.56
  6. Step 6: Final answer
    x = 2,809.31

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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.