Home / 3,756.30-5,179.26-3,009.66

Finding the Fourth Proportional to 3,756.30, 5,179.26 and 3,009.66

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Solution

The fourth proportional to 3,756.30, 5,179.26 and 3,009.66 is: 4,149.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,756.30 : 5,179.26 = 3,009.66 : x
  2. Step 2: Convert to fraction form
    3,756.30/5,179.26 = 3,009.66/x
  3. Step 3: Cross multiply
    3,756.30x = 5,179.26 × 3,009.66
  4. Step 4: Simplify right side
    3,756.30x = 15,587,811.65
  5. Step 5: Solve for x
    x = 15,587,811.65/3,756.30
  6. Step 6: Final answer
    x = 4,149.78

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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.