Home / 2,785.38-4,181.58-2,377.14

Finding the Fourth Proportional to 2,785.38, 4,181.58 and 2,377.14

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Solution

The fourth proportional to 2,785.38, 4,181.58 and 2,377.14 is: 3,568.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,785.38 : 4,181.58 = 2,377.14 : x
  2. Step 2: Convert to fraction form
    2,785.38/4,181.58 = 2,377.14/x
  3. Step 3: Cross multiply
    2,785.38x = 4,181.58 × 2,377.14
  4. Step 4: Simplify right side
    2,785.38x = 9,940,201.08
  5. Step 5: Solve for x
    x = 9,940,201.08/2,785.38
  6. Step 6: Final answer
    x = 3,568.71

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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.