Home / 3,270.47-4,905.53-2,021.30

Finding the Fourth Proportional to 3,270.47, 4,905.53 and 2,021.30

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Solution

The fourth proportional to 3,270.47, 4,905.53 and 2,021.30 is: 3,031.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,270.47 : 4,905.53 = 2,021.30 : x
  2. Step 2: Convert to fraction form
    3,270.47/4,905.53 = 2,021.30/x
  3. Step 3: Cross multiply
    3,270.47x = 4,905.53 × 2,021.30
  4. Step 4: Simplify right side
    3,270.47x = 9,915,513.15
  5. Step 5: Solve for x
    x = 9,915,513.15/3,270.47
  6. Step 6: Final answer
    x = 3,031.84

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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.