Home / 2,190.22-3,022.35-1,246.03

Finding the Fourth Proportional to 2,190.22, 3,022.35 and 1,246.03

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Solution

The fourth proportional to 2,190.22, 3,022.35 and 1,246.03 is: 1,719.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190.22 : 3,022.35 = 1,246.03 : x
  2. Step 2: Convert to fraction form
    2,190.22/3,022.35 = 1,246.03/x
  3. Step 3: Cross multiply
    2,190.22x = 3,022.35 × 1,246.03
  4. Step 4: Simplify right side
    2,190.22x = 3,765,938.77
  5. Step 5: Solve for x
    x = 3,765,938.77/2,190.22
  6. Step 6: Final answer
    x = 1,719.43

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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.