Home / 3,556.95-5,335.43-1,091.79

Finding the Fourth Proportional to 3,556.95, 5,335.43 and 1,091.79

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Solution

The fourth proportional to 3,556.95, 5,335.43 and 1,091.79 is: 1,637.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,556.95 : 5,335.43 = 1,091.79 : x
  2. Step 2: Convert to fraction form
    3,556.95/5,335.43 = 1,091.79/x
  3. Step 3: Cross multiply
    3,556.95x = 5,335.43 × 1,091.79
  4. Step 4: Simplify right side
    3,556.95x = 5,825,171.93
  5. Step 5: Solve for x
    x = 5,825,171.93/3,556.95
  6. Step 6: Final answer
    x = 1,637.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.