Home / 2,171.39-2,993.36-1,772.33

Finding the Fourth Proportional to 2,171.39, 2,993.36 and 1,772.33

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Solution

The fourth proportional to 2,171.39, 2,993.36 and 1,772.33 is: 2,443.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,171.39 : 2,993.36 = 1,772.33 : x
  2. Step 2: Convert to fraction form
    2,171.39/2,993.36 = 1,772.33/x
  3. Step 3: Cross multiply
    2,171.39x = 2,993.36 × 1,772.33
  4. Step 4: Simplify right side
    2,171.39x = 5,305,197.90
  5. Step 5: Solve for x
    x = 5,305,197.90/2,171.39
  6. Step 6: Final answer
    x = 2,443.23

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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.