Home / 3,776.44-5,211.36-2,097.80

Finding the Fourth Proportional to 3,776.44, 5,211.36 and 2,097.80

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Solution

The fourth proportional to 3,776.44, 5,211.36 and 2,097.80 is: 2,894.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,776.44 : 5,211.36 = 2,097.80 : x
  2. Step 2: Convert to fraction form
    3,776.44/5,211.36 = 2,097.80/x
  3. Step 3: Cross multiply
    3,776.44x = 5,211.36 × 2,097.80
  4. Step 4: Simplify right side
    3,776.44x = 10,932,391.01
  5. Step 5: Solve for x
    x = 10,932,391.01/3,776.44
  6. Step 6: Final answer
    x = 2,894.89

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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.