Home / 3,609.09-5,410.26-1,267.65

Finding the Fourth Proportional to 3,609.09, 5,410.26 and 1,267.65

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Solution

The fourth proportional to 3,609.09, 5,410.26 and 1,267.65 is: 1,900.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,609.09 : 5,410.26 = 1,267.65 : x
  2. Step 2: Convert to fraction form
    3,609.09/5,410.26 = 1,267.65/x
  3. Step 3: Cross multiply
    3,609.09x = 5,410.26 × 1,267.65
  4. Step 4: Simplify right side
    3,609.09x = 6,858,316.09
  5. Step 5: Solve for x
    x = 6,858,316.09/3,609.09
  6. Step 6: Final answer
    x = 1,900.29

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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.