Home / 3,270.37-4,905.55-805.23

Finding the Fourth Proportional to 3,270.37, 4,905.55 and 805.23

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Solution

The fourth proportional to 3,270.37, 4,905.55 and 805.23 is: 1,207.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,270.37 : 4,905.55 = 805.23 : x
  2. Step 2: Convert to fraction form
    3,270.37/4,905.55 = 805.23/x
  3. Step 3: Cross multiply
    3,270.37x = 4,905.55 × 805.23
  4. Step 4: Simplify right side
    3,270.37x = 3,950,096.03
  5. Step 5: Solve for x
    x = 3,950,096.03/3,270.37
  6. Step 6: Final answer
    x = 1,207.84

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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.