Home / 3,542.11-5,317.79-2,720.97

Finding the Fourth Proportional to 3,542.11, 5,317.79 and 2,720.97

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Solution

The fourth proportional to 3,542.11, 5,317.79 and 2,720.97 is: 4,085.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,542.11 : 5,317.79 = 2,720.97 : x
  2. Step 2: Convert to fraction form
    3,542.11/5,317.79 = 2,720.97/x
  3. Step 3: Cross multiply
    3,542.11x = 5,317.79 × 2,720.97
  4. Step 4: Simplify right side
    3,542.11x = 14,469,533.45
  5. Step 5: Solve for x
    x = 14,469,533.45/3,542.11
  6. Step 6: Final answer
    x = 4,085.01

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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.