Home / 3,639.96-5,460.86-2,081.73

Finding the Fourth Proportional to 3,639.96, 5,460.86 and 2,081.73

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Solution

The fourth proportional to 3,639.96, 5,460.86 and 2,081.73 is: 3,123.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,639.96 : 5,460.86 = 2,081.73 : x
  2. Step 2: Convert to fraction form
    3,639.96/5,460.86 = 2,081.73/x
  3. Step 3: Cross multiply
    3,639.96x = 5,460.86 × 2,081.73
  4. Step 4: Simplify right side
    3,639.96x = 11,368,025.68
  5. Step 5: Solve for x
    x = 11,368,025.68/3,639.96
  6. Step 6: Final answer
    x = 3,123.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.