Home / 2,831.43-4,246.20-1,349.82

Finding the Fourth Proportional to 2,831.43, 4,246.20 and 1,349.82

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Solution

The fourth proportional to 2,831.43, 4,246.20 and 1,349.82 is: 2,024.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,831.43 : 4,246.20 = 1,349.82 : x
  2. Step 2: Convert to fraction form
    2,831.43/4,246.20 = 1,349.82/x
  3. Step 3: Cross multiply
    2,831.43x = 4,246.20 × 1,349.82
  4. Step 4: Simplify right side
    2,831.43x = 5,731,577.70
  5. Step 5: Solve for x
    x = 5,731,577.70/2,831.43
  6. Step 6: Final answer
    x = 2,024.27

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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.