Home / 3,270.01-4,905.74-1,078.64

Finding the Fourth Proportional to 3,270.01, 4,905.74 and 1,078.64

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Solution

The fourth proportional to 3,270.01, 4,905.74 and 1,078.64 is: 1,618.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,270.01 : 4,905.74 = 1,078.64 : x
  2. Step 2: Convert to fraction form
    3,270.01/4,905.74 = 1,078.64/x
  3. Step 3: Cross multiply
    3,270.01x = 4,905.74 × 1,078.64
  4. Step 4: Simplify right side
    3,270.01x = 5,291,527.39
  5. Step 5: Solve for x
    x = 5,291,527.39/3,270.01
  6. Step 6: Final answer
    x = 1,618.20

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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.