Home / 2,183.44-3,011.72-1,396.24

Finding the Fourth Proportional to 2,183.44, 3,011.72 and 1,396.24

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Solution

The fourth proportional to 2,183.44, 3,011.72 and 1,396.24 is: 1,925.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,183.44 : 3,011.72 = 1,396.24 : x
  2. Step 2: Convert to fraction form
    2,183.44/3,011.72 = 1,396.24/x
  3. Step 3: Cross multiply
    2,183.44x = 3,011.72 × 1,396.24
  4. Step 4: Simplify right side
    2,183.44x = 4,205,083.93
  5. Step 5: Solve for x
    x = 4,205,083.93/2,183.44
  6. Step 6: Final answer
    x = 1,925.90

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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.