Home / 3,201.45-4,409.13-2,759.19

Finding the Fourth Proportional to 3,201.45, 4,409.13 and 2,759.19

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Solution

The fourth proportional to 3,201.45, 4,409.13 and 2,759.19 is: 3,800.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,201.45 : 4,409.13 = 2,759.19 : x
  2. Step 2: Convert to fraction form
    3,201.45/4,409.13 = 2,759.19/x
  3. Step 3: Cross multiply
    3,201.45x = 4,409.13 × 2,759.19
  4. Step 4: Simplify right side
    3,201.45x = 12,165,627.40
  5. Step 5: Solve for x
    x = 12,165,627.40/3,201.45
  6. Step 6: Final answer
    x = 3,800.04

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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.