Home / 2,163.44-3,246.30-1,383.87

Finding the Fourth Proportional to 2,163.44, 3,246.30 and 1,383.87

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Solution

The fourth proportional to 2,163.44, 3,246.30 and 1,383.87 is: 2,076.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,163.44 : 3,246.30 = 1,383.87 : x
  2. Step 2: Convert to fraction form
    2,163.44/3,246.30 = 1,383.87/x
  3. Step 3: Cross multiply
    2,163.44x = 3,246.30 × 1,383.87
  4. Step 4: Simplify right side
    2,163.44x = 4,492,457.18
  5. Step 5: Solve for x
    x = 4,492,457.18/2,163.44
  6. Step 6: Final answer
    x = 2,076.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.