Home / 2,918.67-4,027.62-1,659.72

Finding the Fourth Proportional to 2,918.67, 4,027.62 and 1,659.72

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Solution

The fourth proportional to 2,918.67, 4,027.62 and 1,659.72 is: 2,290.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,918.67 : 4,027.62 = 1,659.72 : x
  2. Step 2: Convert to fraction form
    2,918.67/4,027.62 = 1,659.72/x
  3. Step 3: Cross multiply
    2,918.67x = 4,027.62 × 1,659.72
  4. Step 4: Simplify right side
    2,918.67x = 6,684,721.47
  5. Step 5: Solve for x
    x = 6,684,721.47/2,918.67
  6. Step 6: Final answer
    x = 2,290.33

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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.