Home / 1,581.36-2,183.11-1,022.14

Finding the Fourth Proportional to 1,581.36, 2,183.11 and 1,022.14

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Solution

The fourth proportional to 1,581.36, 2,183.11 and 1,022.14 is: 1,411.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581.36 : 2,183.11 = 1,022.14 : x
  2. Step 2: Convert to fraction form
    1,581.36/2,183.11 = 1,022.14/x
  3. Step 3: Cross multiply
    1,581.36x = 2,183.11 × 1,022.14
  4. Step 4: Simplify right side
    1,581.36x = 2,231,450.01
  5. Step 5: Solve for x
    x = 2,231,450.01/1,581.36
  6. Step 6: Final answer
    x = 1,411.10

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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.