Home / 3,361.80-5,040.66-1,512.60

Finding the Fourth Proportional to 3,361.80, 5,040.66 and 1,512.60

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Solution

The fourth proportional to 3,361.80, 5,040.66 and 1,512.60 is: 2,267.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,361.80 : 5,040.66 = 1,512.60 : x
  2. Step 2: Convert to fraction form
    3,361.80/5,040.66 = 1,512.60/x
  3. Step 3: Cross multiply
    3,361.80x = 5,040.66 × 1,512.60
  4. Step 4: Simplify right side
    3,361.80x = 7,624,502.32
  5. Step 5: Solve for x
    x = 7,624,502.32/3,361.80
  6. Step 6: Final answer
    x = 2,267.98

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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.