Home / 3,776.43-5,211.45-2,097.80

Finding the Fourth Proportional to 3,776.43, 5,211.45 and 2,097.80

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Solution

The fourth proportional to 3,776.43, 5,211.45 and 2,097.80 is: 2,894.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,776.43 : 5,211.45 = 2,097.80 : x
  2. Step 2: Convert to fraction form
    3,776.43/5,211.45 = 2,097.80/x
  3. Step 3: Cross multiply
    3,776.43x = 5,211.45 × 2,097.80
  4. Step 4: Simplify right side
    3,776.43x = 10,932,553.75
  5. Step 5: Solve for x
    x = 10,932,553.75/3,776.43
  6. Step 6: Final answer
    x = 2,894.94

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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.