Home / 1,781.33-2,458.22-1,035.72

Finding the Fourth Proportional to 1,781.33, 2,458.22 and 1,035.72

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Solution

The fourth proportional to 1,781.33, 2,458.22 and 1,035.72 is: 1,429.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,781.33 : 2,458.22 = 1,035.72 : x
  2. Step 2: Convert to fraction form
    1,781.33/2,458.22 = 1,035.72/x
  3. Step 3: Cross multiply
    1,781.33x = 2,458.22 × 1,035.72
  4. Step 4: Simplify right side
    1,781.33x = 2,546,022.44
  5. Step 5: Solve for x
    x = 2,546,022.44/1,781.33
  6. Step 6: Final answer
    x = 1,429.29

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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.