Home / 3,632.80-5,440.56-3,222.40

Finding the Fourth Proportional to 3,632.80, 5,440.56 and 3,222.40

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Solution

The fourth proportional to 3,632.80, 5,440.56 and 3,222.40 is: 4,825.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,632.80 : 5,440.56 = 3,222.40 : x
  2. Step 2: Convert to fraction form
    3,632.80/5,440.56 = 3,222.40/x
  3. Step 3: Cross multiply
    3,632.80x = 5,440.56 × 3,222.40
  4. Step 4: Simplify right side
    3,632.80x = 17,531,660.54
  5. Step 5: Solve for x
    x = 17,531,660.54/3,632.80
  6. Step 6: Final answer
    x = 4,825.94

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1.5x scale

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.