Home / 3,791.05-5,686.45-1,017.57

Finding the Fourth Proportional to 3,791.05, 5,686.45 and 1,017.57

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Solution

The fourth proportional to 3,791.05, 5,686.45 and 1,017.57 is: 1,526.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,791.05 : 5,686.45 = 1,017.57 : x
  2. Step 2: Convert to fraction form
    3,791.05/5,686.45 = 1,017.57/x
  3. Step 3: Cross multiply
    3,791.05x = 5,686.45 × 1,017.57
  4. Step 4: Simplify right side
    3,791.05x = 5,786,360.93
  5. Step 5: Solve for x
    x = 5,786,360.93/3,791.05
  6. Step 6: Final answer
    x = 1,526.32

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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.