Home / 1,692.92-2,538.54-1,076.18

Finding the Fourth Proportional to 1,692.92, 2,538.54 and 1,076.18

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Solution

The fourth proportional to 1,692.92, 2,538.54 and 1,076.18 is: 1,613.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,692.92 : 2,538.54 = 1,076.18 : x
  2. Step 2: Convert to fraction form
    1,692.92/2,538.54 = 1,076.18/x
  3. Step 3: Cross multiply
    1,692.92x = 2,538.54 × 1,076.18
  4. Step 4: Simplify right side
    1,692.92x = 2,731,913.28
  5. Step 5: Solve for x
    x = 2,731,913.28/1,692.92
  6. Step 6: Final answer
    x = 1,613.73

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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.