Home / 3,990.44-5,504.10-2,333.48

Finding the Fourth Proportional to 3,990.44, 5,504.10 and 2,333.48

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Solution

The fourth proportional to 3,990.44, 5,504.10 and 2,333.48 is: 3,218.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,990.44 : 5,504.10 = 2,333.48 : x
  2. Step 2: Convert to fraction form
    3,990.44/5,504.10 = 2,333.48/x
  3. Step 3: Cross multiply
    3,990.44x = 5,504.10 × 2,333.48
  4. Step 4: Simplify right side
    3,990.44x = 12,843,707.27
  5. Step 5: Solve for x
    x = 12,843,707.27/3,990.44
  6. Step 6: Final answer
    x = 3,218.62

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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.