Home / 3,813.35-5,716.08-2,166.35

Finding the Fourth Proportional to 3,813.35, 5,716.08 and 2,166.35

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Solution

The fourth proportional to 3,813.35, 5,716.08 and 2,166.35 is: 3,247.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,813.35 : 5,716.08 = 2,166.35 : x
  2. Step 2: Convert to fraction form
    3,813.35/5,716.08 = 2,166.35/x
  3. Step 3: Cross multiply
    3,813.35x = 5,716.08 × 2,166.35
  4. Step 4: Simplify right side
    3,813.35x = 12,383,001.33
  5. Step 5: Solve for x
    x = 12,383,001.33/3,813.35
  6. Step 6: Final answer
    x = 3,247.28

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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.