Home / 3,022.63-4,533.95-831.69

Finding the Fourth Proportional to 3,022.63, 4,533.95 and 831.69

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Solution

The fourth proportional to 3,022.63, 4,533.95 and 831.69 is: 1,247.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,022.63 : 4,533.95 = 831.69 : x
  2. Step 2: Convert to fraction form
    3,022.63/4,533.95 = 831.69/x
  3. Step 3: Cross multiply
    3,022.63x = 4,533.95 × 831.69
  4. Step 4: Simplify right side
    3,022.63x = 3,770,840.88
  5. Step 5: Solve for x
    x = 3,770,840.88/3,022.63
  6. Step 6: Final answer
    x = 1,247.54

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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.