Home / 3,622.70-5,422.26-1,975.16

Finding the Fourth Proportional to 3,622.70, 5,422.26 and 1,975.16

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Solution

The fourth proportional to 3,622.70, 5,422.26 and 1,975.16 is: 2,956.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,622.70 : 5,422.26 = 1,975.16 : x
  2. Step 2: Convert to fraction form
    3,622.70/5,422.26 = 1,975.16/x
  3. Step 3: Cross multiply
    3,622.70x = 5,422.26 × 1,975.16
  4. Step 4: Simplify right side
    3,622.70x = 10,709,831.06
  5. Step 5: Solve for x
    x = 10,709,831.06/3,622.70
  6. Step 6: Final answer
    x = 2,956.31

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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.