Home / 3,176.56-4,379.84-2,733.70

Finding the Fourth Proportional to 3,176.56, 4,379.84 and 2,733.70

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Solution

The fourth proportional to 3,176.56, 4,379.84 and 2,733.70 is: 3,769.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,176.56 : 4,379.84 = 2,733.70 : x
  2. Step 2: Convert to fraction form
    3,176.56/4,379.84 = 2,733.70/x
  3. Step 3: Cross multiply
    3,176.56x = 4,379.84 × 2,733.70
  4. Step 4: Simplify right side
    3,176.56x = 11,973,168.61
  5. Step 5: Solve for x
    x = 11,973,168.61/3,176.56
  6. Step 6: Final answer
    x = 3,769.22

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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.