Home / 2,207.26-3,045.96-1,212.64

Finding the Fourth Proportional to 2,207.26, 3,045.96 and 1,212.64

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Solution

The fourth proportional to 2,207.26, 3,045.96 and 1,212.64 is: 1,673.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,207.26 : 3,045.96 = 1,212.64 : x
  2. Step 2: Convert to fraction form
    2,207.26/3,045.96 = 1,212.64/x
  3. Step 3: Cross multiply
    2,207.26x = 3,045.96 × 1,212.64
  4. Step 4: Simplify right side
    2,207.26x = 3,693,652.93
  5. Step 5: Solve for x
    x = 3,693,652.93/2,207.26
  6. Step 6: Final answer
    x = 1,673.41

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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.