Home / 1,183.21-1,634.25-963.03

Finding the Fourth Proportional to 1,183.21, 1,634.25 and 963.03

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Solution

The fourth proportional to 1,183.21, 1,634.25 and 963.03 is: 1,330.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,183.21 : 1,634.25 = 963.03 : x
  2. Step 2: Convert to fraction form
    1,183.21/1,634.25 = 963.03/x
  3. Step 3: Cross multiply
    1,183.21x = 1,634.25 × 963.03
  4. Step 4: Simplify right side
    1,183.21x = 1,573,831.78
  5. Step 5: Solve for x
    x = 1,573,831.78/1,183.21
  6. Step 6: Final answer
    x = 1,330.14

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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.