Home / 3,632.70-5,015.37-2,791.77

Finding the Fourth Proportional to 3,632.70, 5,015.37 and 2,791.77

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Solution

The fourth proportional to 3,632.70, 5,015.37 and 2,791.77 is: 3,854.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,632.70 : 5,015.37 = 2,791.77 : x
  2. Step 2: Convert to fraction form
    3,632.70/5,015.37 = 2,791.77/x
  3. Step 3: Cross multiply
    3,632.70x = 5,015.37 × 2,791.77
  4. Step 4: Simplify right side
    3,632.70x = 14,001,735.46
  5. Step 5: Solve for x
    x = 14,001,735.46/3,632.70
  6. Step 6: Final answer
    x = 3,854.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.