Home / 2,831.64-4,246.80-1,076.28

Finding the Fourth Proportional to 2,831.64, 4,246.80 and 1,076.28

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Solution

The fourth proportional to 2,831.64, 4,246.80 and 1,076.28 is: 1,614.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,831.64 : 4,246.80 = 1,076.28 : x
  2. Step 2: Convert to fraction form
    2,831.64/4,246.80 = 1,076.28/x
  3. Step 3: Cross multiply
    2,831.64x = 4,246.80 × 1,076.28
  4. Step 4: Simplify right side
    2,831.64x = 4,570,745.90
  5. Step 5: Solve for x
    x = 4,570,745.90/2,831.64
  6. Step 6: Final answer
    x = 1,614.17

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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.