Home / 3,636.21-5,454.86-1,556.22

Finding the Fourth Proportional to 3,636.21, 5,454.86 and 1,556.22

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Solution

The fourth proportional to 3,636.21, 5,454.86 and 1,556.22 is: 2,334.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,636.21 : 5,454.86 = 1,556.22 : x
  2. Step 2: Convert to fraction form
    3,636.21/5,454.86 = 1,556.22/x
  3. Step 3: Cross multiply
    3,636.21x = 5,454.86 × 1,556.22
  4. Step 4: Simplify right side
    3,636.21x = 8,488,962.23
  5. Step 5: Solve for x
    x = 8,488,962.23/3,636.21
  6. Step 6: Final answer
    x = 2,334.56

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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.