Home / 3,669.23-5,063.40-1,990.61

Finding the Fourth Proportional to 3,669.23, 5,063.40 and 1,990.61

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Solution

The fourth proportional to 3,669.23, 5,063.40 and 1,990.61 is: 2,746.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,669.23 : 5,063.40 = 1,990.61 : x
  2. Step 2: Convert to fraction form
    3,669.23/5,063.40 = 1,990.61/x
  3. Step 3: Cross multiply
    3,669.23x = 5,063.40 × 1,990.61
  4. Step 4: Simplify right side
    3,669.23x = 10,079,267.33
  5. Step 5: Solve for x
    x = 10,079,267.33/3,669.23
  6. Step 6: Final answer
    x = 2,746.97

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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.