Home / 3,236.67-4,847.78-2,814.79

Finding the Fourth Proportional to 3,236.67, 4,847.78 and 2,814.79

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Solution

The fourth proportional to 3,236.67, 4,847.78 and 2,814.79 is: 4,215.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,236.67 : 4,847.78 = 2,814.79 : x
  2. Step 2: Convert to fraction form
    3,236.67/4,847.78 = 2,814.79/x
  3. Step 3: Cross multiply
    3,236.67x = 4,847.78 × 2,814.79
  4. Step 4: Simplify right side
    3,236.67x = 13,645,482.67
  5. Step 5: Solve for x
    x = 13,645,482.67/3,236.67
  6. Step 6: Final answer
    x = 4,215.90

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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.