Home / 2,790.26-4,185.39-2,174.42

Finding the Fourth Proportional to 2,790.26, 4,185.39 and 2,174.42

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Solution

The fourth proportional to 2,790.26, 4,185.39 and 2,174.42 is: 3,261.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,790.26 : 4,185.39 = 2,174.42 : x
  2. Step 2: Convert to fraction form
    2,790.26/4,185.39 = 2,174.42/x
  3. Step 3: Cross multiply
    2,790.26x = 4,185.39 × 2,174.42
  4. Step 4: Simplify right side
    2,790.26x = 9,100,795.32
  5. Step 5: Solve for x
    x = 9,100,795.32/2,790.26
  6. Step 6: Final answer
    x = 3,261.63

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1.5x scale

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.