Home / 3,330.14-4,986.68-3,231.60

Finding the Fourth Proportional to 3,330.14, 4,986.68 and 3,231.60

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Solution

The fourth proportional to 3,330.14, 4,986.68 and 3,231.60 is: 4,839.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,330.14 : 4,986.68 = 3,231.60 : x
  2. Step 2: Convert to fraction form
    3,330.14/4,986.68 = 3,231.60/x
  3. Step 3: Cross multiply
    3,330.14x = 4,986.68 × 3,231.60
  4. Step 4: Simplify right side
    3,330.14x = 16,114,938.93
  5. Step 5: Solve for x
    x = 16,114,938.93/3,330.14
  6. Step 6: Final answer
    x = 4,839.11

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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.