Home / 2,190.27-3,022.64-1,195.60

Finding the Fourth Proportional to 2,190.27, 3,022.64 and 1,195.60

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Solution

The fourth proportional to 2,190.27, 3,022.64 and 1,195.60 is: 1,649.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190.27 : 3,022.64 = 1,195.60 : x
  2. Step 2: Convert to fraction form
    2,190.27/3,022.64 = 1,195.60/x
  3. Step 3: Cross multiply
    2,190.27x = 3,022.64 × 1,195.60
  4. Step 4: Simplify right side
    2,190.27x = 3,613,871.37
  5. Step 5: Solve for x
    x = 3,613,871.37/2,190.27
  6. Step 6: Final answer
    x = 1,649.97

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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.