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Finding the Fourth Proportional to 2,692.22, 3,713.94 and 2,337.68

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Solution

The fourth proportional to 2,692.22, 3,713.94 and 2,337.68 is: 3,224.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,692.22 : 3,713.94 = 2,337.68 : x
  2. Step 2: Convert to fraction form
    2,692.22/3,713.94 = 2,337.68/x
  3. Step 3: Cross multiply
    2,692.22x = 3,713.94 × 2,337.68
  4. Step 4: Simplify right side
    2,692.22x = 8,682,003.26
  5. Step 5: Solve for x
    x = 8,682,003.26/2,692.22
  6. Step 6: Final answer
    x = 3,224.85

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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.