Home / 3,791.24-5,686.97-1,292.39

Finding the Fourth Proportional to 3,791.24, 5,686.97 and 1,292.39

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Solution

The fourth proportional to 3,791.24, 5,686.97 and 1,292.39 is: 1,938.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,791.24 : 5,686.97 = 1,292.39 : x
  2. Step 2: Convert to fraction form
    3,791.24/5,686.97 = 1,292.39/x
  3. Step 3: Cross multiply
    3,791.24x = 5,686.97 × 1,292.39
  4. Step 4: Simplify right side
    3,791.24x = 7,349,748.26
  5. Step 5: Solve for x
    x = 7,349,748.26/3,791.24
  6. Step 6: Final answer
    x = 1,938.62

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1.5x scale

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.