Home / 2,785.14-4,175.28-1,396.53

Finding the Fourth Proportional to 2,785.14, 4,175.28 and 1,396.53

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Solution

The fourth proportional to 2,785.14, 4,175.28 and 1,396.53 is: 2,093.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,785.14 : 4,175.28 = 1,396.53 : x
  2. Step 2: Convert to fraction form
    2,785.14/4,175.28 = 1,396.53/x
  3. Step 3: Cross multiply
    2,785.14x = 4,175.28 × 1,396.53
  4. Step 4: Simplify right side
    2,785.14x = 5,830,903.78
  5. Step 5: Solve for x
    x = 5,830,903.78/2,785.14
  6. Step 6: Final answer
    x = 2,093.58

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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.