Home / 2,192.46-3,290.05-1,372.33

Finding the Fourth Proportional to 2,192.46, 3,290.05 and 1,372.33

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Solution

The fourth proportional to 2,192.46, 3,290.05 and 1,372.33 is: 2,059.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,192.46 : 3,290.05 = 1,372.33 : x
  2. Step 2: Convert to fraction form
    2,192.46/3,290.05 = 1,372.33/x
  3. Step 3: Cross multiply
    2,192.46x = 3,290.05 × 1,372.33
  4. Step 4: Simplify right side
    2,192.46x = 4,515,034.32
  5. Step 5: Solve for x
    x = 4,515,034.32/2,192.46
  6. Step 6: Final answer
    x = 2,059.35

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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.