Home / 3,686.37-5,087.22-2,007.81

Finding the Fourth Proportional to 3,686.37, 5,087.22 and 2,007.81

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Solution

The fourth proportional to 3,686.37, 5,087.22 and 2,007.81 is: 2,770.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,686.37 : 5,087.22 = 2,007.81 : x
  2. Step 2: Convert to fraction form
    3,686.37/5,087.22 = 2,007.81/x
  3. Step 3: Cross multiply
    3,686.37x = 5,087.22 × 2,007.81
  4. Step 4: Simplify right side
    3,686.37x = 10,214,171.19
  5. Step 5: Solve for x
    x = 10,214,171.19/3,686.37
  6. Step 6: Final answer
    x = 2,770.79

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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.