Home / 2,785.58-4,175.94-1,396.97

Finding the Fourth Proportional to 2,785.58, 4,175.94 and 1,396.97

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Solution

The fourth proportional to 2,785.58, 4,175.94 and 1,396.97 is: 2,094.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,785.58 : 4,175.94 = 1,396.97 : x
  2. Step 2: Convert to fraction form
    2,785.58/4,175.94 = 1,396.97/x
  3. Step 3: Cross multiply
    2,785.58x = 4,175.94 × 1,396.97
  4. Step 4: Simplify right side
    2,785.58x = 5,833,662.90
  5. Step 5: Solve for x
    x = 5,833,662.90/2,785.58
  6. Step 6: Final answer
    x = 2,094.24

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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.