Home / 3,558.22-4,909.42-2,439.51

Finding the Fourth Proportional to 3,558.22, 4,909.42 and 2,439.51

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Solution

The fourth proportional to 3,558.22, 4,909.42 and 2,439.51 is: 3,365.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,558.22 : 4,909.42 = 2,439.51 : x
  2. Step 2: Convert to fraction form
    3,558.22/4,909.42 = 2,439.51/x
  3. Step 3: Cross multiply
    3,558.22x = 4,909.42 × 2,439.51
  4. Step 4: Simplify right side
    3,558.22x = 11,976,542.44
  5. Step 5: Solve for x
    x = 11,976,542.44/3,558.22
  6. Step 6: Final answer
    x = 3,365.88

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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.