Home / 2,171.12-3,258.30-1,743.44

Finding the Fourth Proportional to 2,171.12, 3,258.30 and 1,743.44

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Solution

The fourth proportional to 2,171.12, 3,258.30 and 1,743.44 is: 2,616.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,171.12 : 3,258.30 = 1,743.44 : x
  2. Step 2: Convert to fraction form
    2,171.12/3,258.30 = 1,743.44/x
  3. Step 3: Cross multiply
    2,171.12x = 3,258.30 × 1,743.44
  4. Step 4: Simplify right side
    2,171.12x = 5,680,650.55
  5. Step 5: Solve for x
    x = 5,680,650.55/2,171.12
  6. Step 6: Final answer
    x = 2,616.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.