Home / 3,375.49-4,657.43-1,958.36

Finding the Fourth Proportional to 3,375.49, 4,657.43 and 1,958.36

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Solution

The fourth proportional to 3,375.49, 4,657.43 and 1,958.36 is: 2,702.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,375.49 : 4,657.43 = 1,958.36 : x
  2. Step 2: Convert to fraction form
    3,375.49/4,657.43 = 1,958.36/x
  3. Step 3: Cross multiply
    3,375.49x = 4,657.43 × 1,958.36
  4. Step 4: Simplify right side
    3,375.49x = 9,120,910.02
  5. Step 5: Solve for x
    x = 9,120,910.02/3,375.49
  6. Step 6: Final answer
    x = 2,702.10

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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.