Home / 3,780.96-5,669.49-1,699.19

Finding the Fourth Proportional to 3,780.96, 5,669.49 and 1,699.19

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Solution

The fourth proportional to 3,780.96, 5,669.49 and 1,699.19 is: 2,547.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,780.96 : 5,669.49 = 1,699.19 : x
  2. Step 2: Convert to fraction form
    3,780.96/5,669.49 = 1,699.19/x
  3. Step 3: Cross multiply
    3,780.96x = 5,669.49 × 1,699.19
  4. Step 4: Simplify right side
    3,780.96x = 9,633,512.37
  5. Step 5: Solve for x
    x = 9,633,512.37/3,780.96
  6. Step 6: Final answer
    x = 2,547.90

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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.