Home / 2,183.85-3,014.69-1,299.96

Finding the Fourth Proportional to 2,183.85, 3,014.69 and 1,299.96

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Solution

The fourth proportional to 2,183.85, 3,014.69 and 1,299.96 is: 1,794.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,183.85 : 3,014.69 = 1,299.96 : x
  2. Step 2: Convert to fraction form
    2,183.85/3,014.69 = 1,299.96/x
  3. Step 3: Cross multiply
    2,183.85x = 3,014.69 × 1,299.96
  4. Step 4: Simplify right side
    2,183.85x = 3,918,969.91
  5. Step 5: Solve for x
    x = 3,918,969.91/2,183.85
  6. Step 6: Final answer
    x = 1,794.52

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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.