Home / 3,990.11-5,506.27-2,498.85

Finding the Fourth Proportional to 3,990.11, 5,506.27 and 2,498.85

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Solution

The fourth proportional to 3,990.11, 5,506.27 and 2,498.85 is: 3,448.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,990.11 : 5,506.27 = 2,498.85 : x
  2. Step 2: Convert to fraction form
    3,990.11/5,506.27 = 2,498.85/x
  3. Step 3: Cross multiply
    3,990.11x = 5,506.27 × 2,498.85
  4. Step 4: Simplify right side
    3,990.11x = 13,759,336.54
  5. Step 5: Solve for x
    x = 13,759,336.54/3,990.11
  6. Step 6: Final answer
    x = 3,448.36

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Similar ratio
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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.