Home / 3,922.02-5,873.31-2,685.15

Finding the Fourth Proportional to 3,922.02, 5,873.31 and 2,685.15

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Solution

The fourth proportional to 3,922.02, 5,873.31 and 2,685.15 is: 4,021.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,922.02 : 5,873.31 = 2,685.15 : x
  2. Step 2: Convert to fraction form
    3,922.02/5,873.31 = 2,685.15/x
  3. Step 3: Cross multiply
    3,922.02x = 5,873.31 × 2,685.15
  4. Step 4: Simplify right side
    3,922.02x = 15,770,718.35
  5. Step 5: Solve for x
    x = 15,770,718.35/3,922.02
  6. Step 6: Final answer
    x = 4,021.07

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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.