Home / 3,791.14-5,678.34-2,476.78

Finding the Fourth Proportional to 3,791.14, 5,678.34 and 2,476.78

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Solution

The fourth proportional to 3,791.14, 5,678.34 and 2,476.78 is: 3,709.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,791.14 : 5,678.34 = 2,476.78 : x
  2. Step 2: Convert to fraction form
    3,791.14/5,678.34 = 2,476.78/x
  3. Step 3: Cross multiply
    3,791.14x = 5,678.34 × 2,476.78
  4. Step 4: Simplify right side
    3,791.14x = 14,063,998.95
  5. Step 5: Solve for x
    x = 14,063,998.95/3,791.14
  6. Step 6: Final answer
    x = 3,709.70

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1.5x scale

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.