Home / 2,046.21-3,069.24-1,122.21

Finding the Fourth Proportional to 2,046.21, 3,069.24 and 1,122.21

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Solution

The fourth proportional to 2,046.21, 3,069.24 and 1,122.21 is: 1,683.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,046.21 : 3,069.24 = 1,122.21 : x
  2. Step 2: Convert to fraction form
    2,046.21/3,069.24 = 1,122.21/x
  3. Step 3: Cross multiply
    2,046.21x = 3,069.24 × 1,122.21
  4. Step 4: Simplify right side
    2,046.21x = 3,444,331.82
  5. Step 5: Solve for x
    x = 3,444,331.82/2,046.21
  6. Step 6: Final answer
    x = 1,683.27

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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.