Home / 3,328.12-4,993.26-1,381.96

Finding the Fourth Proportional to 3,328.12, 4,993.26 and 1,381.96

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Solution

The fourth proportional to 3,328.12, 4,993.26 and 1,381.96 is: 2,073.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,328.12 : 4,993.26 = 1,381.96 : x
  2. Step 2: Convert to fraction form
    3,328.12/4,993.26 = 1,381.96/x
  3. Step 3: Cross multiply
    3,328.12x = 4,993.26 × 1,381.96
  4. Step 4: Simplify right side
    3,328.12x = 6,900,485.59
  5. Step 5: Solve for x
    x = 6,900,485.59/3,328.12
  6. Step 6: Final answer
    x = 2,073.39

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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.