Home / 2,190.44-3,022.54-1,246.35

Finding the Fourth Proportional to 2,190.44, 3,022.54 and 1,246.35

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Solution

The fourth proportional to 2,190.44, 3,022.54 and 1,246.35 is: 1,719.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190.44 : 3,022.54 = 1,246.35 : x
  2. Step 2: Convert to fraction form
    2,190.44/3,022.54 = 1,246.35/x
  3. Step 3: Cross multiply
    2,190.44x = 3,022.54 × 1,246.35
  4. Step 4: Simplify right side
    2,190.44x = 3,767,142.73
  5. Step 5: Solve for x
    x = 3,767,142.73/2,190.44
  6. Step 6: Final answer
    x = 1,719.81

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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.