Home / 3,686.23-5,086.84-2,007.54

Finding the Fourth Proportional to 3,686.23, 5,086.84 and 2,007.54

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Solution

The fourth proportional to 3,686.23, 5,086.84 and 2,007.54 is: 2,770.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,686.23 : 5,086.84 = 2,007.54 : x
  2. Step 2: Convert to fraction form
    3,686.23/5,086.84 = 2,007.54/x
  3. Step 3: Cross multiply
    3,686.23x = 5,086.84 × 2,007.54
  4. Step 4: Simplify right side
    3,686.23x = 10,212,027.87
  5. Step 5: Solve for x
    x = 10,212,027.87/3,686.23
  6. Step 6: Final answer
    x = 2,770.31

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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.