Home / 4,181.91-5,771.30-2,318.91

Finding the Fourth Proportional to 4,181.91, 5,771.30 and 2,318.91

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Solution

The fourth proportional to 4,181.91, 5,771.30 and 2,318.91 is: 3,200.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,181.91 : 5,771.30 = 2,318.91 : x
  2. Step 2: Convert to fraction form
    4,181.91/5,771.30 = 2,318.91/x
  3. Step 3: Cross multiply
    4,181.91x = 5,771.30 × 2,318.91
  4. Step 4: Simplify right side
    4,181.91x = 13,383,113.69
  5. Step 5: Solve for x
    x = 13,383,113.69/4,181.91
  6. Step 6: Final answer
    x = 3,200.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.