Home / 2,692.12-3,714.82-1,512.94

Finding the Fourth Proportional to 2,692.12, 3,714.82 and 1,512.94

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Solution

The fourth proportional to 2,692.12, 3,714.82 and 1,512.94 is: 2,087.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,692.12 : 3,714.82 = 1,512.94 : x
  2. Step 2: Convert to fraction form
    2,692.12/3,714.82 = 1,512.94/x
  3. Step 3: Cross multiply
    2,692.12x = 3,714.82 × 1,512.94
  4. Step 4: Simplify right side
    2,692.12x = 5,620,299.77
  5. Step 5: Solve for x
    x = 5,620,299.77/2,692.12
  6. Step 6: Final answer
    x = 2,087.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.