Home / 3,276.05-4,520.61-2,016.90

Finding the Fourth Proportional to 3,276.05, 4,520.61 and 2,016.90

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Solution

The fourth proportional to 3,276.05, 4,520.61 and 2,016.90 is: 2,783.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,276.05 : 4,520.61 = 2,016.90 : x
  2. Step 2: Convert to fraction form
    3,276.05/4,520.61 = 2,016.90/x
  3. Step 3: Cross multiply
    3,276.05x = 4,520.61 × 2,016.90
  4. Step 4: Simplify right side
    3,276.05x = 9,117,618.31
  5. Step 5: Solve for x
    x = 9,117,618.31/3,276.05
  6. Step 6: Final answer
    x = 2,783.12

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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.