Home / 1,777.03-2,453.61-1,188.97

Finding the Fourth Proportional to 1,777.03, 2,453.61 and 1,188.97

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Solution

The fourth proportional to 1,777.03, 2,453.61 and 1,188.97 is: 1,641.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,777.03 : 2,453.61 = 1,188.97 : x
  2. Step 2: Convert to fraction form
    1,777.03/2,453.61 = 1,188.97/x
  3. Step 3: Cross multiply
    1,777.03x = 2,453.61 × 1,188.97
  4. Step 4: Simplify right side
    1,777.03x = 2,917,268.68
  5. Step 5: Solve for x
    x = 2,917,268.68/1,777.03
  6. Step 6: Final answer
    x = 1,641.65

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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.