Home / 3,826.09-5,281.32-2,412.16

Finding the Fourth Proportional to 3,826.09, 5,281.32 and 2,412.16

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Solution

The fourth proportional to 3,826.09, 5,281.32 and 2,412.16 is: 3,329.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,826.09 : 5,281.32 = 2,412.16 : x
  2. Step 2: Convert to fraction form
    3,826.09/5,281.32 = 2,412.16/x
  3. Step 3: Cross multiply
    3,826.09x = 5,281.32 × 2,412.16
  4. Step 4: Simplify right side
    3,826.09x = 12,739,388.85
  5. Step 5: Solve for x
    x = 12,739,388.85/3,826.09
  6. Step 6: Final answer
    x = 3,329.61

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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.