Home / 3,022.83-4,534.27-831.79

Finding the Fourth Proportional to 3,022.83, 4,534.27 and 831.79

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Solution

The fourth proportional to 3,022.83, 4,534.27 and 831.79 is: 1,247.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,022.83 : 4,534.27 = 831.79 : x
  2. Step 2: Convert to fraction form
    3,022.83/4,534.27 = 831.79/x
  3. Step 3: Cross multiply
    3,022.83x = 4,534.27 × 831.79
  4. Step 4: Simplify right side
    3,022.83x = 3,771,560.44
  5. Step 5: Solve for x
    x = 3,771,560.44/3,022.83
  6. Step 6: Final answer
    x = 1,247.69

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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.