Home / 3,181.46-4,768.41-2,011.64

Finding the Fourth Proportional to 3,181.46, 4,768.41 and 2,011.64

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Solution

The fourth proportional to 3,181.46, 4,768.41 and 2,011.64 is: 3,015.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,181.46 : 4,768.41 = 2,011.64 : x
  2. Step 2: Convert to fraction form
    3,181.46/4,768.41 = 2,011.64/x
  3. Step 3: Cross multiply
    3,181.46x = 4,768.41 × 2,011.64
  4. Step 4: Simplify right side
    3,181.46x = 9,592,324.29
  5. Step 5: Solve for x
    x = 9,592,324.29/3,181.46
  6. Step 6: Final answer
    x = 3,015.07

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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.