Home / 2,665.03-3,995.81-1,104.61

Finding the Fourth Proportional to 2,665.03, 3,995.81 and 1,104.61

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Solution

The fourth proportional to 2,665.03, 3,995.81 and 1,104.61 is: 1,656.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,665.03 : 3,995.81 = 1,104.61 : x
  2. Step 2: Convert to fraction form
    2,665.03/3,995.81 = 1,104.61/x
  3. Step 3: Cross multiply
    2,665.03x = 3,995.81 × 1,104.61
  4. Step 4: Simplify right side
    2,665.03x = 4,413,811.68
  5. Step 5: Solve for x
    x = 4,413,811.68/2,665.03
  6. Step 6: Final answer
    x = 1,656.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.