Home / 3,669.24-5,063.56-1,990.68

Finding the Fourth Proportional to 3,669.24, 5,063.56 and 1,990.68

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Solution

The fourth proportional to 3,669.24, 5,063.56 and 1,990.68 is: 2,747.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,669.24 : 5,063.56 = 1,990.68 : x
  2. Step 2: Convert to fraction form
    3,669.24/5,063.56 = 1,990.68/x
  3. Step 3: Cross multiply
    3,669.24x = 5,063.56 × 1,990.68
  4. Step 4: Simplify right side
    3,669.24x = 10,079,903.66
  5. Step 5: Solve for x
    x = 10,079,903.66/3,669.24
  6. Step 6: Final answer
    x = 2,747.13

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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.