Home / 3,790.29-5,684.63-1,191.81

Finding the Fourth Proportional to 3,790.29, 5,684.63 and 1,191.81

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Solution

The fourth proportional to 3,790.29, 5,684.63 and 1,191.81 is: 1,787.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,790.29 : 5,684.63 = 1,191.81 : x
  2. Step 2: Convert to fraction form
    3,790.29/5,684.63 = 1,191.81/x
  3. Step 3: Cross multiply
    3,790.29x = 5,684.63 × 1,191.81
  4. Step 4: Simplify right side
    3,790.29x = 6,775,020.94
  5. Step 5: Solve for x
    x = 6,775,020.94/3,790.29
  6. Step 6: Final answer
    x = 1,787.47

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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.