Home / 3,119.41-4,674.97-1,361.76

Finding the Fourth Proportional to 3,119.41, 4,674.97 and 1,361.76

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Solution

The fourth proportional to 3,119.41, 4,674.97 and 1,361.76 is: 2,040.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119.41 : 4,674.97 = 1,361.76 : x
  2. Step 2: Convert to fraction form
    3,119.41/4,674.97 = 1,361.76/x
  3. Step 3: Cross multiply
    3,119.41x = 4,674.97 × 1,361.76
  4. Step 4: Simplify right side
    3,119.41x = 6,366,171.32
  5. Step 5: Solve for x
    x = 6,366,171.32/3,119.41
  6. Step 6: Final answer
    x = 2,040.82

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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.