Home / 3,021.60-4,528.80-2,251.20

Finding the Fourth Proportional to 3,021.60, 4,528.80 and 2,251.20

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Solution

The fourth proportional to 3,021.60, 4,528.80 and 2,251.20 is: 3,374.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,021.60 : 4,528.80 = 2,251.20 : x
  2. Step 2: Convert to fraction form
    3,021.60/4,528.80 = 2,251.20/x
  3. Step 3: Cross multiply
    3,021.60x = 4,528.80 × 2,251.20
  4. Step 4: Simplify right side
    3,021.60x = 10,195,234.56
  5. Step 5: Solve for x
    x = 10,195,234.56/3,021.60
  6. Step 6: Final answer
    x = 3,374.12

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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.