Home / 3,298.20-4,947.30-3,240.60

Finding the Fourth Proportional to 3,298.20, 4,947.30 and 3,240.60

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Solution

The fourth proportional to 3,298.20, 4,947.30 and 3,240.60 is: 4,860.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,298.20 : 4,947.30 = 3,240.60 : x
  2. Step 2: Convert to fraction form
    3,298.20/4,947.30 = 3,240.60/x
  3. Step 3: Cross multiply
    3,298.20x = 4,947.30 × 3,240.60
  4. Step 4: Simplify right side
    3,298.20x = 16,032,220.38
  5. Step 5: Solve for x
    x = 16,032,220.38/3,298.20
  6. Step 6: Final answer
    x = 4,860.90

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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.