Home / 3,289.75-4,540.27-2,173.02

Finding the Fourth Proportional to 3,289.75, 4,540.27 and 2,173.02

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Solution

The fourth proportional to 3,289.75, 4,540.27 and 2,173.02 is: 2,999.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,289.75 : 4,540.27 = 2,173.02 : x
  2. Step 2: Convert to fraction form
    3,289.75/4,540.27 = 2,173.02/x
  3. Step 3: Cross multiply
    3,289.75x = 4,540.27 × 2,173.02
  4. Step 4: Simplify right side
    3,289.75x = 9,866,097.52
  5. Step 5: Solve for x
    x = 9,866,097.52/3,289.75
  6. Step 6: Final answer
    x = 2,999.04

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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.