Home / 3,119.44-4,679.14-1,270.11

Finding the Fourth Proportional to 3,119.44, 4,679.14 and 1,270.11

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Solution

The fourth proportional to 3,119.44, 4,679.14 and 1,270.11 is: 1,905.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119.44 : 4,679.14 = 1,270.11 : x
  2. Step 2: Convert to fraction form
    3,119.44/4,679.14 = 1,270.11/x
  3. Step 3: Cross multiply
    3,119.44x = 4,679.14 × 1,270.11
  4. Step 4: Simplify right side
    3,119.44x = 5,943,019.33
  5. Step 5: Solve for x
    x = 5,943,019.33/3,119.44
  6. Step 6: Final answer
    x = 1,905.16

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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.