Home / 3,379.41-5,069.30-1,071.09

Finding the Fourth Proportional to 3,379.41, 5,069.30 and 1,071.09

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Solution

The fourth proportional to 3,379.41, 5,069.30 and 1,071.09 is: 1,606.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,379.41 : 5,069.30 = 1,071.09 : x
  2. Step 2: Convert to fraction form
    3,379.41/5,069.30 = 1,071.09/x
  3. Step 3: Cross multiply
    3,379.41x = 5,069.30 × 1,071.09
  4. Step 4: Simplify right side
    3,379.41x = 5,429,671.18
  5. Step 5: Solve for x
    x = 5,429,671.18/3,379.41
  6. Step 6: Final answer
    x = 1,606.69

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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.