Home / 2,621.44-3,922.34-1,563.38

Finding the Fourth Proportional to 2,621.44, 3,922.34 and 1,563.38

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Solution

The fourth proportional to 2,621.44, 3,922.34 and 1,563.38 is: 2,339.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,621.44 : 3,922.34 = 1,563.38 : x
  2. Step 2: Convert to fraction form
    2,621.44/3,922.34 = 1,563.38/x
  3. Step 3: Cross multiply
    2,621.44x = 3,922.34 × 1,563.38
  4. Step 4: Simplify right side
    2,621.44x = 6,132,121.62
  5. Step 5: Solve for x
    x = 6,132,121.62/2,621.44
  6. Step 6: Final answer
    x = 2,339.22

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1.5x scale

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.