Home / 3,208.28-4,425.18-2,027.30

Finding the Fourth Proportional to 3,208.28, 4,425.18 and 2,027.30

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Solution

The fourth proportional to 3,208.28, 4,425.18 and 2,027.30 is: 2,796.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,208.28 : 4,425.18 = 2,027.30 : x
  2. Step 2: Convert to fraction form
    3,208.28/4,425.18 = 2,027.30/x
  3. Step 3: Cross multiply
    3,208.28x = 4,425.18 × 2,027.30
  4. Step 4: Simplify right side
    3,208.28x = 8,971,167.41
  5. Step 5: Solve for x
    x = 8,971,167.41/3,208.28
  6. Step 6: Final answer
    x = 2,796.25

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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.