Home / 3,241.20-4,473.72-2,797.32

Finding the Fourth Proportional to 3,241.20, 4,473.72 and 2,797.32

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Solution

The fourth proportional to 3,241.20, 4,473.72 and 2,797.32 is: 3,861.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,241.20 : 4,473.72 = 2,797.32 : x
  2. Step 2: Convert to fraction form
    3,241.20/4,473.72 = 2,797.32/x
  3. Step 3: Cross multiply
    3,241.20x = 4,473.72 × 2,797.32
  4. Step 4: Simplify right side
    3,241.20x = 12,514,426.43
  5. Step 5: Solve for x
    x = 12,514,426.43/3,241.20
  6. Step 6: Final answer
    x = 3,861.05

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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.