Home / 3,267.42-4,505.97-2,520.20

Finding the Fourth Proportional to 3,267.42, 4,505.97 and 2,520.20

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Solution

The fourth proportional to 3,267.42, 4,505.97 and 2,520.20 is: 3,475.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,267.42 : 4,505.97 = 2,520.20 : x
  2. Step 2: Convert to fraction form
    3,267.42/4,505.97 = 2,520.20/x
  3. Step 3: Cross multiply
    3,267.42x = 4,505.97 × 2,520.20
  4. Step 4: Simplify right side
    3,267.42x = 11,355,910.46
  5. Step 5: Solve for x
    x = 11,355,910.46/3,267.42
  6. Step 6: Final answer
    x = 3,475.50

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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.