Home / 2,074.92-2,863.66-1,190.56

Finding the Fourth Proportional to 2,074.92, 2,863.66 and 1,190.56

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Solution

The fourth proportional to 2,074.92, 2,863.66 and 1,190.56 is: 1,643.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,074.92 : 2,863.66 = 1,190.56 : x
  2. Step 2: Convert to fraction form
    2,074.92/2,863.66 = 1,190.56/x
  3. Step 3: Cross multiply
    2,074.92x = 2,863.66 × 1,190.56
  4. Step 4: Simplify right side
    2,074.92x = 3,409,359.05
  5. Step 5: Solve for x
    x = 3,409,359.05/2,074.92
  6. Step 6: Final answer
    x = 1,643.13

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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.