Home / 3,778.96-5,216.04-2,207.92

Finding the Fourth Proportional to 3,778.96, 5,216.04 and 2,207.92

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Solution

The fourth proportional to 3,778.96, 5,216.04 and 2,207.92 is: 3,047.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,778.96 : 5,216.04 = 2,207.92 : x
  2. Step 2: Convert to fraction form
    3,778.96/5,216.04 = 2,207.92/x
  3. Step 3: Cross multiply
    3,778.96x = 5,216.04 × 2,207.92
  4. Step 4: Simplify right side
    3,778.96x = 11,516,599.04
  5. Step 5: Solve for x
    x = 11,516,599.04/3,778.96
  6. Step 6: Final answer
    x = 3,047.56

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1.5x scale

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.