Home / 2,190.18-3,022.41-1,195.46

Finding the Fourth Proportional to 2,190.18, 3,022.41 and 1,195.46

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Solution

The fourth proportional to 2,190.18, 3,022.41 and 1,195.46 is: 1,649.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190.18 : 3,022.41 = 1,195.46 : x
  2. Step 2: Convert to fraction form
    2,190.18/3,022.41 = 1,195.46/x
  3. Step 3: Cross multiply
    2,190.18x = 3,022.41 × 1,195.46
  4. Step 4: Simplify right side
    2,190.18x = 3,613,170.26
  5. Step 5: Solve for x
    x = 3,613,170.26/2,190.18
  6. Step 6: Final answer
    x = 1,649.71

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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.