Home / 1,178.29-1,757.81-1,083.04

Finding the Fourth Proportional to 1,178.29, 1,757.81 and 1,083.04

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Solution

The fourth proportional to 1,178.29, 1,757.81 and 1,083.04 is: 1,615.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178.29 : 1,757.81 = 1,083.04 : x
  2. Step 2: Convert to fraction form
    1,178.29/1,757.81 = 1,083.04/x
  3. Step 3: Cross multiply
    1,178.29x = 1,757.81 × 1,083.04
  4. Step 4: Simplify right side
    1,178.29x = 1,903,778.54
  5. Step 5: Solve for x
    x = 1,903,778.54/1,178.29
  6. Step 6: Final answer
    x = 1,615.71

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.