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Finding the Fourth Proportional to 2,692.14, 3,713.80 and 1,748.84

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Solution

The fourth proportional to 2,692.14, 3,713.80 and 1,748.84 is: 2,412.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,692.14 : 3,713.80 = 1,748.84 : x
  2. Step 2: Convert to fraction form
    2,692.14/3,713.80 = 1,748.84/x
  3. Step 3: Cross multiply
    2,692.14x = 3,713.80 × 1,748.84
  4. Step 4: Simplify right side
    2,692.14x = 6,494,843.22
  5. Step 5: Solve for x
    x = 6,494,843.22/2,692.14
  6. Step 6: Final answer
    x = 2,412.52

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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.