Home / 3,556.80-4,893.48-3,459.60

Finding the Fourth Proportional to 3,556.80, 4,893.48 and 3,459.60

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Solution

The fourth proportional to 3,556.80, 4,893.48 and 3,459.60 is: 4,759.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,556.80 : 4,893.48 = 3,459.60 : x
  2. Step 2: Convert to fraction form
    3,556.80/4,893.48 = 3,459.60/x
  3. Step 3: Cross multiply
    3,556.80x = 4,893.48 × 3,459.60
  4. Step 4: Simplify right side
    3,556.80x = 16,929,483.41
  5. Step 5: Solve for x
    x = 16,929,483.41/3,556.80
  6. Step 6: Final answer
    x = 4,759.75

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1.5x scale

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.