Home / 3,678.53-5,519.61-2,708.96

Finding the Fourth Proportional to 3,678.53, 5,519.61 and 2,708.96

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Solution

The fourth proportional to 3,678.53, 5,519.61 and 2,708.96 is: 4,064.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,678.53 : 5,519.61 = 2,708.96 : x
  2. Step 2: Convert to fraction form
    3,678.53/5,519.61 = 2,708.96/x
  3. Step 3: Cross multiply
    3,678.53x = 5,519.61 × 2,708.96
  4. Step 4: Simplify right side
    3,678.53x = 14,952,375.11
  5. Step 5: Solve for x
    x = 14,952,375.11/3,678.53
  6. Step 6: Final answer
    x = 4,064.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.