Home / 2,821.72-3,883.75-2,600.28

Finding the Fourth Proportional to 2,821.72, 3,883.75 and 2,600.28

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Solution

The fourth proportional to 2,821.72, 3,883.75 and 2,600.28 is: 3,578.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,821.72 : 3,883.75 = 2,600.28 : x
  2. Step 2: Convert to fraction form
    2,821.72/3,883.75 = 2,600.28/x
  3. Step 3: Cross multiply
    2,821.72x = 3,883.75 × 2,600.28
  4. Step 4: Simplify right side
    2,821.72x = 10,098,837.45
  5. Step 5: Solve for x
    x = 10,098,837.45/2,821.72
  6. Step 6: Final answer
    x = 3,578.97

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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.