Home / 1,812.69-2,732.60-1,692.14

Finding the Fourth Proportional to 1,812.69, 2,732.60 and 1,692.14

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Solution

The fourth proportional to 1,812.69, 2,732.60 and 1,692.14 is: 2,550.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,812.69 : 2,732.60 = 1,692.14 : x
  2. Step 2: Convert to fraction form
    1,812.69/2,732.60 = 1,692.14/x
  3. Step 3: Cross multiply
    1,812.69x = 2,732.60 × 1,692.14
  4. Step 4: Simplify right side
    1,812.69x = 4,623,932.33
  5. Step 5: Solve for x
    x = 4,623,932.33/1,812.69
  6. Step 6: Final answer
    x = 2,550.87

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.