Home / 3,294.20-4,930.10-1,996.60

Finding the Fourth Proportional to 3,294.20, 4,930.10 and 1,996.60

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Solution

The fourth proportional to 3,294.20, 4,930.10 and 1,996.60 is: 2,988.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,294.20 : 4,930.10 = 1,996.60 : x
  2. Step 2: Convert to fraction form
    3,294.20/4,930.10 = 1,996.60/x
  3. Step 3: Cross multiply
    3,294.20x = 4,930.10 × 1,996.60
  4. Step 4: Simplify right side
    3,294.20x = 9,843,437.66
  5. Step 5: Solve for x
    x = 9,843,437.66/3,294.20
  6. Step 6: Final answer
    x = 2,988.11

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1.5x scale

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.