Home / 3,309.20-4,956.60-2,008.40

Finding the Fourth Proportional to 3,309.20, 4,956.60 and 2,008.40

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Solution

The fourth proportional to 3,309.20, 4,956.60 and 2,008.40 is: 3,008.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,309.20 : 4,956.60 = 2,008.40 : x
  2. Step 2: Convert to fraction form
    3,309.20/4,956.60 = 2,008.40/x
  3. Step 3: Cross multiply
    3,309.20x = 4,956.60 × 2,008.40
  4. Step 4: Simplify right side
    3,309.20x = 9,954,835.44
  5. Step 5: Solve for x
    x = 9,954,835.44/3,309.20
  6. Step 6: Final answer
    x = 3,008.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.