Home / 3,071.14-4,606.09-1,122.68

Finding the Fourth Proportional to 3,071.14, 4,606.09 and 1,122.68

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Solution

The fourth proportional to 3,071.14, 4,606.09 and 1,122.68 is: 1,683.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,071.14 : 4,606.09 = 1,122.68 : x
  2. Step 2: Convert to fraction form
    3,071.14/4,606.09 = 1,122.68/x
  3. Step 3: Cross multiply
    3,071.14x = 4,606.09 × 1,122.68
  4. Step 4: Simplify right side
    3,071.14x = 5,171,165.12
  5. Step 5: Solve for x
    x = 5,171,165.12/3,071.14
  6. Step 6: Final answer
    x = 1,683.79

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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.