Home / 1,918.36-2,649.99-1,481.77

Finding the Fourth Proportional to 1,918.36, 2,649.99 and 1,481.77

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Solution

The fourth proportional to 1,918.36, 2,649.99 and 1,481.77 is: 2,046.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918.36 : 2,649.99 = 1,481.77 : x
  2. Step 2: Convert to fraction form
    1,918.36/2,649.99 = 1,481.77/x
  3. Step 3: Cross multiply
    1,918.36x = 2,649.99 × 1,481.77
  4. Step 4: Simplify right side
    1,918.36x = 3,926,675.68
  5. Step 5: Solve for x
    x = 3,926,675.68/1,918.36
  6. Step 6: Final answer
    x = 2,046.89

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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.