Home / 2,190.98-3,023.44-1,196.26

Finding the Fourth Proportional to 2,190.98, 3,023.44 and 1,196.26

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Solution

The fourth proportional to 2,190.98, 3,023.44 and 1,196.26 is: 1,650.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190.98 : 3,023.44 = 1,196.26 : x
  2. Step 2: Convert to fraction form
    2,190.98/3,023.44 = 1,196.26/x
  3. Step 3: Cross multiply
    2,190.98x = 3,023.44 × 1,196.26
  4. Step 4: Simplify right side
    2,190.98x = 3,616,820.33
  5. Step 5: Solve for x
    x = 3,616,820.33/2,190.98
  6. Step 6: Final answer
    x = 1,650.78

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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.