Home / 2,406.09-3,609.44-1,172.46

Finding the Fourth Proportional to 2,406.09, 3,609.44 and 1,172.46

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Solution

The fourth proportional to 2,406.09, 3,609.44 and 1,172.46 is: 1,758.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,406.09 : 3,609.44 = 1,172.46 : x
  2. Step 2: Convert to fraction form
    2,406.09/3,609.44 = 1,172.46/x
  3. Step 3: Cross multiply
    2,406.09x = 3,609.44 × 1,172.46
  4. Step 4: Simplify right side
    2,406.09x = 4,231,918.16
  5. Step 5: Solve for x
    x = 4,231,918.16/2,406.09
  6. Step 6: Final answer
    x = 1,758.84

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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.