Home / 4,171.79-6,258.63-1,949

Finding the Fourth Proportional to 4,171.79, 6,258.63 and 1,949

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Solution

The fourth proportional to 4,171.79, 6,258.63 and 1,949 is: 2,923.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,171.79 : 6,258.63 = 1,949 : x
  2. Step 2: Convert to fraction form
    4,171.79/6,258.63 = 1,949/x
  3. Step 3: Cross multiply
    4,171.79x = 6,258.63 × 1,949
  4. Step 4: Simplify right side
    4,171.79x = 12,198,069.87
  5. Step 5: Solve for x
    x = 12,198,069.87/4,171.79
  6. Step 6: Final answer
    x = 2,923.94

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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.