Home / 3,480.22-4,799.91-3,059.68

Finding the Fourth Proportional to 3,480.22, 4,799.91 and 3,059.68

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Solution

The fourth proportional to 3,480.22, 4,799.91 and 3,059.68 is: 4,219.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,480.22 : 4,799.91 = 3,059.68 : x
  2. Step 2: Convert to fraction form
    3,480.22/4,799.91 = 3,059.68/x
  3. Step 3: Cross multiply
    3,480.22x = 4,799.91 × 3,059.68
  4. Step 4: Simplify right side
    3,480.22x = 14,686,149.33
  5. Step 5: Solve for x
    x = 14,686,149.33/3,480.22
  6. Step 6: Final answer
    x = 4,219.90

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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.