Home / 2,190.39-3,022.73-1,195.67

Finding the Fourth Proportional to 2,190.39, 3,022.73 and 1,195.67

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Solution

The fourth proportional to 2,190.39, 3,022.73 and 1,195.67 is: 1,650.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190.39 : 3,022.73 = 1,195.67 : x
  2. Step 2: Convert to fraction form
    2,190.39/3,022.73 = 1,195.67/x
  3. Step 3: Cross multiply
    2,190.39x = 3,022.73 × 1,195.67
  4. Step 4: Simplify right side
    2,190.39x = 3,614,166.49
  5. Step 5: Solve for x
    x = 3,614,166.49/2,190.39
  6. Step 6: Final answer
    x = 1,650.01

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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.