Home / 3,270.60-4,909.55-3,122.37

Finding the Fourth Proportional to 3,270.60, 4,909.55 and 3,122.37

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Solution

The fourth proportional to 3,270.60, 4,909.55 and 3,122.37 is: 4,687.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,270.60 : 4,909.55 = 3,122.37 : x
  2. Step 2: Convert to fraction form
    3,270.60/4,909.55 = 3,122.37/x
  3. Step 3: Cross multiply
    3,270.60x = 4,909.55 × 3,122.37
  4. Step 4: Simplify right side
    3,270.60x = 15,329,416.02
  5. Step 5: Solve for x
    x = 15,329,416.02/3,270.60
  6. Step 6: Final answer
    x = 4,687.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.