Home / 3,781.29-5,669.99-1,699.51

Finding the Fourth Proportional to 3,781.29, 5,669.99 and 1,699.51

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Solution

The fourth proportional to 3,781.29, 5,669.99 and 1,699.51 is: 2,548.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,781.29 : 5,669.99 = 1,699.51 : x
  2. Step 2: Convert to fraction form
    3,781.29/5,669.99 = 1,699.51/x
  3. Step 3: Cross multiply
    3,781.29x = 5,669.99 × 1,699.51
  4. Step 4: Simplify right side
    3,781.29x = 9,636,182.03
  5. Step 5: Solve for x
    x = 9,636,182.03/3,781.29
  6. Step 6: Final answer
    x = 2,548.38

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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.