Home / 3,270.38-4,903.13-2,101.68

Finding the Fourth Proportional to 3,270.38, 4,903.13 and 2,101.68

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Solution

The fourth proportional to 3,270.38, 4,903.13 and 2,101.68 is: 3,150.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,270.38 : 4,903.13 = 2,101.68 : x
  2. Step 2: Convert to fraction form
    3,270.38/4,903.13 = 2,101.68/x
  3. Step 3: Cross multiply
    3,270.38x = 4,903.13 × 2,101.68
  4. Step 4: Simplify right side
    3,270.38x = 10,304,815.51
  5. Step 5: Solve for x
    x = 10,304,815.51/3,270.38
  6. Step 6: Final answer
    x = 3,150.96

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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.