Home / 3,989.66-5,504.90-2,498.04

Finding the Fourth Proportional to 3,989.66, 5,504.90 and 2,498.04

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Solution

The fourth proportional to 3,989.66, 5,504.90 and 2,498.04 is: 3,446.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,989.66 : 5,504.90 = 2,498.04 : x
  2. Step 2: Convert to fraction form
    3,989.66/5,504.90 = 2,498.04/x
  3. Step 3: Cross multiply
    3,989.66x = 5,504.90 × 2,498.04
  4. Step 4: Simplify right side
    3,989.66x = 13,751,447.91
  5. Step 5: Solve for x
    x = 13,751,447.91/3,989.66
  6. Step 6: Final answer
    x = 3,446.78

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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.