Home / 2,781.27-3,829.41-2,360.75

Finding the Fourth Proportional to 2,781.27, 3,829.41 and 2,360.75

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Solution

The fourth proportional to 2,781.27, 3,829.41 and 2,360.75 is: 3,250.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,781.27 : 3,829.41 = 2,360.75 : x
  2. Step 2: Convert to fraction form
    2,781.27/3,829.41 = 2,360.75/x
  3. Step 3: Cross multiply
    2,781.27x = 3,829.41 × 2,360.75
  4. Step 4: Simplify right side
    2,781.27x = 9,040,260.51
  5. Step 5: Solve for x
    x = 9,040,260.51/2,781.27
  6. Step 6: Final answer
    x = 3,250.41

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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.