Home / 2,720.43-3,745.17-2,581.92

Finding the Fourth Proportional to 2,720.43, 3,745.17 and 2,581.92

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Solution

The fourth proportional to 2,720.43, 3,745.17 and 2,581.92 is: 3,554.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,720.43 : 3,745.17 = 2,581.92 : x
  2. Step 2: Convert to fraction form
    2,720.43/3,745.17 = 2,581.92/x
  3. Step 3: Cross multiply
    2,720.43x = 3,745.17 × 2,581.92
  4. Step 4: Simplify right side
    2,720.43x = 9,669,729.33
  5. Step 5: Solve for x
    x = 9,669,729.33/2,720.43
  6. Step 6: Final answer
    x = 3,554.49

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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.