Home / 3,685.73-5,086.31-2,007.14

Finding the Fourth Proportional to 3,685.73, 5,086.31 and 2,007.14

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Solution

The fourth proportional to 3,685.73, 5,086.31 and 2,007.14 is: 2,769.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,685.73 : 5,086.31 = 2,007.14 : x
  2. Step 2: Convert to fraction form
    3,685.73/5,086.31 = 2,007.14/x
  3. Step 3: Cross multiply
    3,685.73x = 5,086.31 × 2,007.14
  4. Step 4: Simplify right side
    3,685.73x = 10,208,900.79
  5. Step 5: Solve for x
    x = 10,208,900.79/3,685.73
  6. Step 6: Final answer
    x = 2,769.85

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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.