Home / 3,451.20-5,160.90-2,563.41

Finding the Fourth Proportional to 3,451.20, 5,160.90 and 2,563.41

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Solution

The fourth proportional to 3,451.20, 5,160.90 and 2,563.41 is: 3,833.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,451.20 : 5,160.90 = 2,563.41 : x
  2. Step 2: Convert to fraction form
    3,451.20/5,160.90 = 2,563.41/x
  3. Step 3: Cross multiply
    3,451.20x = 5,160.90 × 2,563.41
  4. Step 4: Simplify right side
    3,451.20x = 13,229,502.67
  5. Step 5: Solve for x
    x = 13,229,502.67/3,451.20
  6. Step 6: Final answer
    x = 3,833.31

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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.