Home / 1,633.15-2,445.51-1,083.61

Finding the Fourth Proportional to 1,633.15, 2,445.51 and 1,083.61

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Solution

The fourth proportional to 1,633.15, 2,445.51 and 1,083.61 is: 1,622.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,633.15 : 2,445.51 = 1,083.61 : x
  2. Step 2: Convert to fraction form
    1,633.15/2,445.51 = 1,083.61/x
  3. Step 3: Cross multiply
    1,633.15x = 2,445.51 × 1,083.61
  4. Step 4: Simplify right side
    1,633.15x = 2,649,979.09
  5. Step 5: Solve for x
    x = 2,649,979.09/1,633.15
  6. Step 6: Final answer
    x = 1,622.62

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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.