Home / 2,858.66-3,944.98-1,679.75

Finding the Fourth Proportional to 2,858.66, 3,944.98 and 1,679.75

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Solution

The fourth proportional to 2,858.66, 3,944.98 and 1,679.75 is: 2,318.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,858.66 : 3,944.98 = 1,679.75 : x
  2. Step 2: Convert to fraction form
    2,858.66/3,944.98 = 1,679.75/x
  3. Step 3: Cross multiply
    2,858.66x = 3,944.98 × 1,679.75
  4. Step 4: Simplify right side
    2,858.66x = 6,626,580.16
  5. Step 5: Solve for x
    x = 6,626,580.16/2,858.66
  6. Step 6: Final answer
    x = 2,318.07

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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.