Home / 2,124.48-3,183.92-1,137.18

Finding the Fourth Proportional to 2,124.48, 3,183.92 and 1,137.18

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Solution

The fourth proportional to 2,124.48, 3,183.92 and 1,137.18 is: 1,704.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,124.48 : 3,183.92 = 1,137.18 : x
  2. Step 2: Convert to fraction form
    2,124.48/3,183.92 = 1,137.18/x
  3. Step 3: Cross multiply
    2,124.48x = 3,183.92 × 1,137.18
  4. Step 4: Simplify right side
    2,124.48x = 3,620,690.15
  5. Step 5: Solve for x
    x = 3,620,690.15/2,124.48
  6. Step 6: Final answer
    x = 1,704.27

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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.