Home / 3,270.33-4,905.70-1,079.08

Finding the Fourth Proportional to 3,270.33, 4,905.70 and 1,079.08

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Solution

The fourth proportional to 3,270.33, 4,905.70 and 1,079.08 is: 1,618.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,270.33 : 4,905.70 = 1,079.08 : x
  2. Step 2: Convert to fraction form
    3,270.33/4,905.70 = 1,079.08/x
  3. Step 3: Cross multiply
    3,270.33x = 4,905.70 × 1,079.08
  4. Step 4: Simplify right side
    3,270.33x = 5,293,642.76
  5. Step 5: Solve for x
    x = 5,293,642.76/3,270.33
  6. Step 6: Final answer
    x = 1,618.69

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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.