Home / 3,071.08-4,238.09-1,673.83

Finding the Fourth Proportional to 3,071.08, 4,238.09 and 1,673.83

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Solution

The fourth proportional to 3,071.08, 4,238.09 and 1,673.83 is: 2,309.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,071.08 : 4,238.09 = 1,673.83 : x
  2. Step 2: Convert to fraction form
    3,071.08/4,238.09 = 1,673.83/x
  3. Step 3: Cross multiply
    3,071.08x = 4,238.09 × 1,673.83
  4. Step 4: Simplify right side
    3,071.08x = 7,093,827.40
  5. Step 5: Solve for x
    x = 7,093,827.40/3,071.08
  6. Step 6: Final answer
    x = 2,309.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.