Home / 3,636.09-5,455.62-1,556.55

Finding the Fourth Proportional to 3,636.09, 5,455.62 and 1,556.55

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Solution

The fourth proportional to 3,636.09, 5,455.62 and 1,556.55 is: 2,335.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,636.09 : 5,455.62 = 1,556.55 : x
  2. Step 2: Convert to fraction form
    3,636.09/5,455.62 = 1,556.55/x
  3. Step 3: Cross multiply
    3,636.09x = 5,455.62 × 1,556.55
  4. Step 4: Simplify right side
    3,636.09x = 8,491,945.31
  5. Step 5: Solve for x
    x = 8,491,945.31/3,636.09
  6. Step 6: Final answer
    x = 2,335.46

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1.5x scale

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.