Home / 3,872.26-5,808.30-1,406.13

Finding the Fourth Proportional to 3,872.26, 5,808.30 and 1,406.13

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Solution

The fourth proportional to 3,872.26, 5,808.30 and 1,406.13 is: 2,109.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,872.26 : 5,808.30 = 1,406.13 : x
  2. Step 2: Convert to fraction form
    3,872.26/5,808.30 = 1,406.13/x
  3. Step 3: Cross multiply
    3,872.26x = 5,808.30 × 1,406.13
  4. Step 4: Simplify right side
    3,872.26x = 8,167,224.88
  5. Step 5: Solve for x
    x = 8,167,224.88/3,872.26
  6. Step 6: Final answer
    x = 2,109.16

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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.