Home / 3,831.40-5,749.96-2,846.49

Finding the Fourth Proportional to 3,831.40, 5,749.96 and 2,846.49

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Solution

The fourth proportional to 3,831.40, 5,749.96 and 2,846.49 is: 4,271.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,831.40 : 5,749.96 = 2,846.49 : x
  2. Step 2: Convert to fraction form
    3,831.40/5,749.96 = 2,846.49/x
  3. Step 3: Cross multiply
    3,831.40x = 5,749.96 × 2,846.49
  4. Step 4: Simplify right side
    3,831.40x = 16,367,203.64
  5. Step 5: Solve for x
    x = 16,367,203.64/3,831.40
  6. Step 6: Final answer
    x = 4,271.86

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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.