Home / 1,334.12-1,831.29-1,183.46

Finding the Fourth Proportional to 1,334.12, 1,831.29 and 1,183.46

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Solution

The fourth proportional to 1,334.12, 1,831.29 and 1,183.46 is: 1,624.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,334.12 : 1,831.29 = 1,183.46 : x
  2. Step 2: Convert to fraction form
    1,334.12/1,831.29 = 1,183.46/x
  3. Step 3: Cross multiply
    1,334.12x = 1,831.29 × 1,183.46
  4. Step 4: Simplify right side
    1,334.12x = 2,167,258.46
  5. Step 5: Solve for x
    x = 2,167,258.46/1,334.12
  6. Step 6: Final answer
    x = 1,624.49

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.