Home / 3,364.44-5,043.70-1,311

Finding the Fourth Proportional to 3,364.44, 5,043.70 and 1,311

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Solution

The fourth proportional to 3,364.44, 5,043.70 and 1,311 is: 1,965.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,364.44 : 5,043.70 = 1,311 : x
  2. Step 2: Convert to fraction form
    3,364.44/5,043.70 = 1,311/x
  3. Step 3: Cross multiply
    3,364.44x = 5,043.70 × 1,311
  4. Step 4: Simplify right side
    3,364.44x = 6,612,290.70
  5. Step 5: Solve for x
    x = 6,612,290.70/3,364.44
  6. Step 6: Final answer
    x = 1,965.35

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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.