Home / 2,858.06-3,944.27-1,679.51

Finding the Fourth Proportional to 2,858.06, 3,944.27 and 1,679.51

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Solution

The fourth proportional to 2,858.06, 3,944.27 and 1,679.51 is: 2,317.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,858.06 : 3,944.27 = 1,679.51 : x
  2. Step 2: Convert to fraction form
    2,858.06/3,944.27 = 1,679.51/x
  3. Step 3: Cross multiply
    2,858.06x = 3,944.27 × 1,679.51
  4. Step 4: Simplify right side
    2,858.06x = 6,624,454.97
  5. Step 5: Solve for x
    x = 6,624,454.97/2,858.06
  6. Step 6: Final answer
    x = 2,317.81

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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.