Home / 3,173.04-4,375.89-1,976.49

Finding the Fourth Proportional to 3,173.04, 4,375.89 and 1,976.49

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Solution

The fourth proportional to 3,173.04, 4,375.89 and 1,976.49 is: 2,725.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,173.04 : 4,375.89 = 1,976.49 : x
  2. Step 2: Convert to fraction form
    3,173.04/4,375.89 = 1,976.49/x
  3. Step 3: Cross multiply
    3,173.04x = 4,375.89 × 1,976.49
  4. Step 4: Simplify right side
    3,173.04x = 8,648,902.83
  5. Step 5: Solve for x
    x = 8,648,902.83/3,173.04
  6. Step 6: Final answer
    x = 2,725.75

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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.