Home / 3,609.82-5,412.70-1,144.18

Finding the Fourth Proportional to 3,609.82, 5,412.70 and 1,144.18

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Solution

The fourth proportional to 3,609.82, 5,412.70 and 1,144.18 is: 1,715.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,609.82 : 5,412.70 = 1,144.18 : x
  2. Step 2: Convert to fraction form
    3,609.82/5,412.70 = 1,144.18/x
  3. Step 3: Cross multiply
    3,609.82x = 5,412.70 × 1,144.18
  4. Step 4: Simplify right side
    3,609.82x = 6,193,103.09
  5. Step 5: Solve for x
    x = 6,193,103.09/3,609.82
  6. Step 6: Final answer
    x = 1,715.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.