Home / 3,025.20-4,532.40-2,679.60

Finding the Fourth Proportional to 3,025.20, 4,532.40 and 2,679.60

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Solution

The fourth proportional to 3,025.20, 4,532.40 and 2,679.60 is: 4,014.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,025.20 : 4,532.40 = 2,679.60 : x
  2. Step 2: Convert to fraction form
    3,025.20/4,532.40 = 2,679.60/x
  3. Step 3: Cross multiply
    3,025.20x = 4,532.40 × 2,679.60
  4. Step 4: Simplify right side
    3,025.20x = 12,145,019.04
  5. Step 5: Solve for x
    x = 12,145,019.04/3,025.20
  6. Step 6: Final answer
    x = 4,014.62

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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.