Home / 3,090.62-4,270.46-2,432.70

Finding the Fourth Proportional to 3,090.62, 4,270.46 and 2,432.70

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Solution

The fourth proportional to 3,090.62, 4,270.46 and 2,432.70 is: 3,361.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090.62 : 4,270.46 = 2,432.70 : x
  2. Step 2: Convert to fraction form
    3,090.62/4,270.46 = 2,432.70/x
  3. Step 3: Cross multiply
    3,090.62x = 4,270.46 × 2,432.70
  4. Step 4: Simplify right side
    3,090.62x = 10,388,735.88
  5. Step 5: Solve for x
    x = 10,388,735.88/3,090.62
  6. Step 6: Final answer
    x = 3,361.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.