Home / 3,238.20-4,462.56-2,679.30

Finding the Fourth Proportional to 3,238.20, 4,462.56 and 2,679.30

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Solution

The fourth proportional to 3,238.20, 4,462.56 and 2,679.30 is: 3,692.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,238.20 : 4,462.56 = 2,679.30 : x
  2. Step 2: Convert to fraction form
    3,238.20/4,462.56 = 2,679.30/x
  3. Step 3: Cross multiply
    3,238.20x = 4,462.56 × 2,679.30
  4. Step 4: Simplify right side
    3,238.20x = 11,956,537.01
  5. Step 5: Solve for x
    x = 11,956,537.01/3,238.20
  6. Step 6: Final answer
    x = 3,692.34

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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.