Home / 3,920.13-5,410.44-2,504.43

Finding the Fourth Proportional to 3,920.13, 5,410.44 and 2,504.43

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Solution

The fourth proportional to 3,920.13, 5,410.44 and 2,504.43 is: 3,456.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,920.13 : 5,410.44 = 2,504.43 : x
  2. Step 2: Convert to fraction form
    3,920.13/5,410.44 = 2,504.43/x
  3. Step 3: Cross multiply
    3,920.13x = 5,410.44 × 2,504.43
  4. Step 4: Simplify right side
    3,920.13x = 13,550,068.25
  5. Step 5: Solve for x
    x = 13,550,068.25/3,920.13
  6. Step 6: Final answer
    x = 3,456.54

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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.