Home / 3,328.42-4,993.82-1,427.94

Finding the Fourth Proportional to 3,328.42, 4,993.82 and 1,427.94

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Solution

The fourth proportional to 3,328.42, 4,993.82 and 1,427.94 is: 2,142.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,328.42 : 4,993.82 = 1,427.94 : x
  2. Step 2: Convert to fraction form
    3,328.42/4,993.82 = 1,427.94/x
  3. Step 3: Cross multiply
    3,328.42x = 4,993.82 × 1,427.94
  4. Step 4: Simplify right side
    3,328.42x = 7,130,875.33
  5. Step 5: Solve for x
    x = 7,130,875.33/3,328.42
  6. Step 6: Final answer
    x = 2,142.42

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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.