Home / 3,245.56-4,873.10-2,138.28

Finding the Fourth Proportional to 3,245.56, 4,873.10 and 2,138.28

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Solution

The fourth proportional to 3,245.56, 4,873.10 and 2,138.28 is: 3,210.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,245.56 : 4,873.10 = 2,138.28 : x
  2. Step 2: Convert to fraction form
    3,245.56/4,873.10 = 2,138.28/x
  3. Step 3: Cross multiply
    3,245.56x = 4,873.10 × 2,138.28
  4. Step 4: Simplify right side
    3,245.56x = 10,420,052.27
  5. Step 5: Solve for x
    x = 10,420,052.27/3,245.56
  6. Step 6: Final answer
    x = 3,210.56

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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.