Home / 1,850.28-2,772.57-1,155.09

Finding the Fourth Proportional to 1,850.28, 2,772.57 and 1,155.09

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Solution

The fourth proportional to 1,850.28, 2,772.57 and 1,155.09 is: 1,730.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,850.28 : 2,772.57 = 1,155.09 : x
  2. Step 2: Convert to fraction form
    1,850.28/2,772.57 = 1,155.09/x
  3. Step 3: Cross multiply
    1,850.28x = 2,772.57 × 1,155.09
  4. Step 4: Simplify right side
    1,850.28x = 3,202,567.88
  5. Step 5: Solve for x
    x = 3,202,567.88/1,850.28
  6. Step 6: Final answer
    x = 1,730.86

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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.