Home / 2,183.34-3,012.72-1,299.22

Finding the Fourth Proportional to 2,183.34, 3,012.72 and 1,299.22

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Solution

The fourth proportional to 2,183.34, 3,012.72 and 1,299.22 is: 1,792.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,183.34 : 3,012.72 = 1,299.22 : x
  2. Step 2: Convert to fraction form
    2,183.34/3,012.72 = 1,299.22/x
  3. Step 3: Cross multiply
    2,183.34x = 3,012.72 × 1,299.22
  4. Step 4: Simplify right side
    2,183.34x = 3,914,186.08
  5. Step 5: Solve for x
    x = 3,914,186.08/2,183.34
  6. Step 6: Final answer
    x = 1,792.75

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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.