Home / 2,195.12-3,295.40-2,185.12

Finding the Fourth Proportional to 2,195.12, 3,295.40 and 2,185.12

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Solution

The fourth proportional to 2,195.12, 3,295.40 and 2,185.12 is: 3,280.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,195.12 : 3,295.40 = 2,185.12 : x
  2. Step 2: Convert to fraction form
    2,195.12/3,295.40 = 2,185.12/x
  3. Step 3: Cross multiply
    2,195.12x = 3,295.40 × 2,185.12
  4. Step 4: Simplify right side
    2,195.12x = 7,200,844.45
  5. Step 5: Solve for x
    x = 7,200,844.45/2,195.12
  6. Step 6: Final answer
    x = 3,280.39

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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.