Home / 2,918.89-4,027.97-1,659.88

Finding the Fourth Proportional to 2,918.89, 4,027.97 and 1,659.88

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Solution

The fourth proportional to 2,918.89, 4,027.97 and 1,659.88 is: 2,290.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,918.89 : 4,027.97 = 1,659.88 : x
  2. Step 2: Convert to fraction form
    2,918.89/4,027.97 = 1,659.88/x
  3. Step 3: Cross multiply
    2,918.89x = 4,027.97 × 1,659.88
  4. Step 4: Simplify right side
    2,918.89x = 6,685,918.40
  5. Step 5: Solve for x
    x = 6,685,918.40/2,918.89
  6. Step 6: Final answer
    x = 2,290.57

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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.