Home / 1,246.88-1,861.96-1,183.70

Finding the Fourth Proportional to 1,246.88, 1,861.96 and 1,183.70

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Solution

The fourth proportional to 1,246.88, 1,861.96 and 1,183.70 is: 1,767.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246.88 : 1,861.96 = 1,183.70 : x
  2. Step 2: Convert to fraction form
    1,246.88/1,861.96 = 1,183.70/x
  3. Step 3: Cross multiply
    1,246.88x = 1,861.96 × 1,183.70
  4. Step 4: Simplify right side
    1,246.88x = 2,204,002.05
  5. Step 5: Solve for x
    x = 2,204,002.05/1,246.88
  6. Step 6: Final answer
    x = 1,767.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.