Home / 2,190.03-3,022.02-1,350.60

Finding the Fourth Proportional to 2,190.03, 3,022.02 and 1,350.60

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Solution

The fourth proportional to 2,190.03, 3,022.02 and 1,350.60 is: 1,863.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190.03 : 3,022.02 = 1,350.60 : x
  2. Step 2: Convert to fraction form
    2,190.03/3,022.02 = 1,350.60/x
  3. Step 3: Cross multiply
    2,190.03x = 3,022.02 × 1,350.60
  4. Step 4: Simplify right side
    2,190.03x = 4,081,540.21
  5. Step 5: Solve for x
    x = 4,081,540.21/2,190.03
  6. Step 6: Final answer
    x = 1,863.69

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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.