Home / 3,270.42-4,905.99-1,049.45

Finding the Fourth Proportional to 3,270.42, 4,905.99 and 1,049.45

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Solution

The fourth proportional to 3,270.42, 4,905.99 and 1,049.45 is: 1,574.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,270.42 : 4,905.99 = 1,049.45 : x
  2. Step 2: Convert to fraction form
    3,270.42/4,905.99 = 1,049.45/x
  3. Step 3: Cross multiply
    3,270.42x = 4,905.99 × 1,049.45
  4. Step 4: Simplify right side
    3,270.42x = 5,148,566.68
  5. Step 5: Solve for x
    x = 5,148,566.68/3,270.42
  6. Step 6: Final answer
    x = 1,574.28

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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.