Home / 2,850.70-4,282.86-1,864.33

Finding the Fourth Proportional to 2,850.70, 4,282.86 and 1,864.33

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Solution

The fourth proportional to 2,850.70, 4,282.86 and 1,864.33 is: 2,800.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,850.70 : 4,282.86 = 1,864.33 : x
  2. Step 2: Convert to fraction form
    2,850.70/4,282.86 = 1,864.33/x
  3. Step 3: Cross multiply
    2,850.70x = 4,282.86 × 1,864.33
  4. Step 4: Simplify right side
    2,850.70x = 7,984,664.38
  5. Step 5: Solve for x
    x = 7,984,664.38/2,850.70
  6. Step 6: Final answer
    x = 2,800.95

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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.