Home / 2,831.44-4,243.28-2,137.52

Finding the Fourth Proportional to 2,831.44, 4,243.28 and 2,137.52

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Solution

The fourth proportional to 2,831.44, 4,243.28 and 2,137.52 is: 3,203.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,831.44 : 4,243.28 = 2,137.52 : x
  2. Step 2: Convert to fraction form
    2,831.44/4,243.28 = 2,137.52/x
  3. Step 3: Cross multiply
    2,831.44x = 4,243.28 × 2,137.52
  4. Step 4: Simplify right side
    2,831.44x = 9,070,095.87
  5. Step 5: Solve for x
    x = 9,070,095.87/2,831.44
  6. Step 6: Final answer
    x = 3,203.35

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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.