Home / 3,556.44-5,336.28-2,911.68

Finding the Fourth Proportional to 3,556.44, 5,336.28 and 2,911.68

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Solution

The fourth proportional to 3,556.44, 5,336.28 and 2,911.68 is: 4,368.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,556.44 : 5,336.28 = 2,911.68 : x
  2. Step 2: Convert to fraction form
    3,556.44/5,336.28 = 2,911.68/x
  3. Step 3: Cross multiply
    3,556.44x = 5,336.28 × 2,911.68
  4. Step 4: Simplify right side
    3,556.44x = 15,537,539.75
  5. Step 5: Solve for x
    x = 15,537,539.75/3,556.44
  6. Step 6: Final answer
    x = 4,368.85

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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.