Home / 2,209.33-3,048.91-1,214.65

Finding the Fourth Proportional to 2,209.33, 3,048.91 and 1,214.65

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Solution

The fourth proportional to 2,209.33, 3,048.91 and 1,214.65 is: 1,676.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,209.33 : 3,048.91 = 1,214.65 : x
  2. Step 2: Convert to fraction form
    2,209.33/3,048.91 = 1,214.65/x
  3. Step 3: Cross multiply
    2,209.33x = 3,048.91 × 1,214.65
  4. Step 4: Simplify right side
    2,209.33x = 3,703,347.87
  5. Step 5: Solve for x
    x = 3,703,347.87/2,209.33
  6. Step 6: Final answer
    x = 1,676.23

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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.