Home / 3,831.70-5,748.09-1,958.26

Finding the Fourth Proportional to 3,831.70, 5,748.09 and 1,958.26

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Solution

The fourth proportional to 3,831.70, 5,748.09 and 1,958.26 is: 2,937.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,831.70 : 5,748.09 = 1,958.26 : x
  2. Step 2: Convert to fraction form
    3,831.70/5,748.09 = 1,958.26/x
  3. Step 3: Cross multiply
    3,831.70x = 5,748.09 × 1,958.26
  4. Step 4: Simplify right side
    3,831.70x = 11,256,254.72
  5. Step 5: Solve for x
    x = 11,256,254.72/3,831.70
  6. Step 6: Final answer
    x = 2,937.67

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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.