Home / 3,035.25-4,187.66-1,917.36

Finding the Fourth Proportional to 3,035.25, 4,187.66 and 1,917.36

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Solution

The fourth proportional to 3,035.25, 4,187.66 and 1,917.36 is: 2,645.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,035.25 : 4,187.66 = 1,917.36 : x
  2. Step 2: Convert to fraction form
    3,035.25/4,187.66 = 1,917.36/x
  3. Step 3: Cross multiply
    3,035.25x = 4,187.66 × 1,917.36
  4. Step 4: Simplify right side
    3,035.25x = 8,029,242.19
  5. Step 5: Solve for x
    x = 8,029,242.19/3,035.25
  6. Step 6: Final answer
    x = 2,645.33

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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.