Home / 2,831.22-4,247.37-882.97

Finding the Fourth Proportional to 2,831.22, 4,247.37 and 882.97

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Solution

The fourth proportional to 2,831.22, 4,247.37 and 882.97 is: 1,324.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,831.22 : 4,247.37 = 882.97 : x
  2. Step 2: Convert to fraction form
    2,831.22/4,247.37 = 882.97/x
  3. Step 3: Cross multiply
    2,831.22x = 4,247.37 × 882.97
  4. Step 4: Simplify right side
    2,831.22x = 3,750,289.67
  5. Step 5: Solve for x
    x = 3,750,289.67/2,831.22
  6. Step 6: Final answer
    x = 1,324.62

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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.