Home / 2,093.33-2,889.07-1,209.22

Finding the Fourth Proportional to 2,093.33, 2,889.07 and 1,209.22

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Solution

The fourth proportional to 2,093.33, 2,889.07 and 1,209.22 is: 1,668.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,093.33 : 2,889.07 = 1,209.22 : x
  2. Step 2: Convert to fraction form
    2,093.33/2,889.07 = 1,209.22/x
  3. Step 3: Cross multiply
    2,093.33x = 2,889.07 × 1,209.22
  4. Step 4: Simplify right side
    2,093.33x = 3,493,510.98
  5. Step 5: Solve for x
    x = 3,493,510.98/2,093.33
  6. Step 6: Final answer
    x = 1,668.88

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1.5x scale

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.