Home / 2,239.65-3,091.37-1,609.88

Finding the Fourth Proportional to 2,239.65, 3,091.37 and 1,609.88

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Solution

The fourth proportional to 2,239.65, 3,091.37 and 1,609.88 is: 2,222.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,239.65 : 3,091.37 = 1,609.88 : x
  2. Step 2: Convert to fraction form
    2,239.65/3,091.37 = 1,609.88/x
  3. Step 3: Cross multiply
    2,239.65x = 3,091.37 × 1,609.88
  4. Step 4: Simplify right side
    2,239.65x = 4,976,711.23
  5. Step 5: Solve for x
    x = 4,976,711.23/2,239.65
  6. Step 6: Final answer
    x = 2,222.09

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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.