Home / 3,521.55-4,858.97-2,105.03

Finding the Fourth Proportional to 3,521.55, 4,858.97 and 2,105.03

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Solution

The fourth proportional to 3,521.55, 4,858.97 and 2,105.03 is: 2,904.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,521.55 : 4,858.97 = 2,105.03 : x
  2. Step 2: Convert to fraction form
    3,521.55/4,858.97 = 2,105.03/x
  3. Step 3: Cross multiply
    3,521.55x = 4,858.97 × 2,105.03
  4. Step 4: Simplify right side
    3,521.55x = 10,228,277.62
  5. Step 5: Solve for x
    x = 10,228,277.62/3,521.55
  6. Step 6: Final answer
    x = 2,904.48

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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.