Home / 3,776.20-5,209.62-2,725.96

Finding the Fourth Proportional to 3,776.20, 5,209.62 and 2,725.96

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Solution

The fourth proportional to 3,776.20, 5,209.62 and 2,725.96 is: 3,760.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,776.20 : 5,209.62 = 2,725.96 : x
  2. Step 2: Convert to fraction form
    3,776.20/5,209.62 = 2,725.96/x
  3. Step 3: Cross multiply
    3,776.20x = 5,209.62 × 2,725.96
  4. Step 4: Simplify right side
    3,776.20x = 14,201,215.74
  5. Step 5: Solve for x
    x = 14,201,215.74/3,776.20
  6. Step 6: Final answer
    x = 3,760.72

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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.