Home / 3,578.06-5,361.32-1,935.38

Finding the Fourth Proportional to 3,578.06, 5,361.32 and 1,935.38

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Solution

The fourth proportional to 3,578.06, 5,361.32 and 1,935.38 is: 2,899.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,578.06 : 5,361.32 = 1,935.38 : x
  2. Step 2: Convert to fraction form
    3,578.06/5,361.32 = 1,935.38/x
  3. Step 3: Cross multiply
    3,578.06x = 5,361.32 × 1,935.38
  4. Step 4: Simplify right side
    3,578.06x = 10,376,155.02
  5. Step 5: Solve for x
    x = 10,376,155.02/3,578.06
  6. Step 6: Final answer
    x = 2,899.94

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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.