Home / 3,039-4,193.83-1,641.75

Finding the Fourth Proportional to 3,039, 4,193.83 and 1,641.75

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Solution

The fourth proportional to 3,039, 4,193.83 and 1,641.75 is: 2,265.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,039 : 4,193.83 = 1,641.75 : x
  2. Step 2: Convert to fraction form
    3,039/4,193.83 = 1,641.75/x
  3. Step 3: Cross multiply
    3,039x = 4,193.83 × 1,641.75
  4. Step 4: Simplify right side
    3,039x = 6,885,220.40
  5. Step 5: Solve for x
    x = 6,885,220.40/3,039
  6. Step 6: Final answer
    x = 2,265.62

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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.