Home / 3,375.37-5,055.65-2,783.70

Finding the Fourth Proportional to 3,375.37, 5,055.65 and 2,783.70

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Solution

The fourth proportional to 3,375.37, 5,055.65 and 2,783.70 is: 4,169.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,375.37 : 5,055.65 = 2,783.70 : x
  2. Step 2: Convert to fraction form
    3,375.37/5,055.65 = 2,783.70/x
  3. Step 3: Cross multiply
    3,375.37x = 5,055.65 × 2,783.70
  4. Step 4: Simplify right side
    3,375.37x = 14,073,409.43
  5. Step 5: Solve for x
    x = 14,073,409.43/3,375.37
  6. Step 6: Final answer
    x = 4,169.44

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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.