Home / 2,379.05-3,283.84-1,634.05

Finding the Fourth Proportional to 2,379.05, 3,283.84 and 1,634.05

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Solution

The fourth proportional to 2,379.05, 3,283.84 and 1,634.05 is: 2,255.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,379.05 : 3,283.84 = 1,634.05 : x
  2. Step 2: Convert to fraction form
    2,379.05/3,283.84 = 1,634.05/x
  3. Step 3: Cross multiply
    2,379.05x = 3,283.84 × 1,634.05
  4. Step 4: Simplify right side
    2,379.05x = 5,365,958.75
  5. Step 5: Solve for x
    x = 5,365,958.75/2,379.05
  6. Step 6: Final answer
    x = 2,255.50

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1.5x scale

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.