Home / 3,776.39-5,211.58-2,097.79

Finding the Fourth Proportional to 3,776.39, 5,211.58 and 2,097.79

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Solution

The fourth proportional to 3,776.39, 5,211.58 and 2,097.79 is: 2,895.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,776.39 : 5,211.58 = 2,097.79 : x
  2. Step 2: Convert to fraction form
    3,776.39/5,211.58 = 2,097.79/x
  3. Step 3: Cross multiply
    3,776.39x = 5,211.58 × 2,097.79
  4. Step 4: Simplify right side
    3,776.39x = 10,932,809.54
  5. Step 5: Solve for x
    x = 10,932,809.54/3,776.39
  6. Step 6: Final answer
    x = 2,895.04

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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.