Home / 3,621.44-4,989.87-2,440.46

Finding the Fourth Proportional to 3,621.44, 4,989.87 and 2,440.46

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Solution

The fourth proportional to 3,621.44, 4,989.87 and 2,440.46 is: 3,362.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621.44 : 4,989.87 = 2,440.46 : x
  2. Step 2: Convert to fraction form
    3,621.44/4,989.87 = 2,440.46/x
  3. Step 3: Cross multiply
    3,621.44x = 4,989.87 × 2,440.46
  4. Step 4: Simplify right side
    3,621.44x = 12,177,578.14
  5. Step 5: Solve for x
    x = 12,177,578.14/3,621.44
  6. Step 6: Final answer
    x = 3,362.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.