Home / 2,831.35-4,237.17-2,163.10

Finding the Fourth Proportional to 2,831.35, 4,237.17 and 2,163.10

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Solution

The fourth proportional to 2,831.35, 4,237.17 and 2,163.10 is: 3,237.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,831.35 : 4,237.17 = 2,163.10 : x
  2. Step 2: Convert to fraction form
    2,831.35/4,237.17 = 2,163.10/x
  3. Step 3: Cross multiply
    2,831.35x = 4,237.17 × 2,163.10
  4. Step 4: Simplify right side
    2,831.35x = 9,165,422.43
  5. Step 5: Solve for x
    x = 9,165,422.43/2,831.35
  6. Step 6: Final answer
    x = 3,237.12

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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.