Home / 1,850.38-2,772.43-1,616.69

Finding the Fourth Proportional to 1,850.38, 2,772.43 and 1,616.69

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Solution

The fourth proportional to 1,850.38, 2,772.43 and 1,616.69 is: 2,422.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,850.38 : 2,772.43 = 1,616.69 : x
  2. Step 2: Convert to fraction form
    1,850.38/2,772.43 = 1,616.69/x
  3. Step 3: Cross multiply
    1,850.38x = 2,772.43 × 1,616.69
  4. Step 4: Simplify right side
    1,850.38x = 4,482,162.75
  5. Step 5: Solve for x
    x = 4,482,162.75/1,850.38
  6. Step 6: Final answer
    x = 2,422.30

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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.