Home / 4,279.80-5,902.96-2,706.38

Finding the Fourth Proportional to 4,279.80, 5,902.96 and 2,706.38

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Solution

The fourth proportional to 4,279.80, 5,902.96 and 2,706.38 is: 3,732.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,279.80 : 5,902.96 = 2,706.38 : x
  2. Step 2: Convert to fraction form
    4,279.80/5,902.96 = 2,706.38/x
  3. Step 3: Cross multiply
    4,279.80x = 5,902.96 × 2,706.38
  4. Step 4: Simplify right side
    4,279.80x = 15,975,652.88
  5. Step 5: Solve for x
    x = 15,975,652.88/4,279.80
  6. Step 6: Final answer
    x = 3,732.80

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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.