Home / 3,270.30-4,903.29-1,320.54

Finding the Fourth Proportional to 3,270.30, 4,903.29 and 1,320.54

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Solution

The fourth proportional to 3,270.30, 4,903.29 and 1,320.54 is: 1,979.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,270.30 : 4,903.29 = 1,320.54 : x
  2. Step 2: Convert to fraction form
    3,270.30/4,903.29 = 1,320.54/x
  3. Step 3: Cross multiply
    3,270.30x = 4,903.29 × 1,320.54
  4. Step 4: Simplify right side
    3,270.30x = 6,474,990.58
  5. Step 5: Solve for x
    x = 6,474,990.58/3,270.30
  6. Step 6: Final answer
    x = 1,979.94

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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.