Home / 4,904.82-7,358.31-2,131.92

Finding the Fourth Proportional to 4,904.82, 7,358.31 and 2,131.92

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Solution

The fourth proportional to 4,904.82, 7,358.31 and 2,131.92 is: 3,198.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,904.82 : 7,358.31 = 2,131.92 : x
  2. Step 2: Convert to fraction form
    4,904.82/7,358.31 = 2,131.92/x
  3. Step 3: Cross multiply
    4,904.82x = 7,358.31 × 2,131.92
  4. Step 4: Simplify right side
    4,904.82x = 15,687,328.26
  5. Step 5: Solve for x
    x = 15,687,328.26/4,904.82
  6. Step 6: Final answer
    x = 3,198.35

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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.