Home / 3,958.29-5,935.68-2,109.06

Finding the Fourth Proportional to 3,958.29, 5,935.68 and 2,109.06

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Solution

The fourth proportional to 3,958.29, 5,935.68 and 2,109.06 is: 3,162.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,958.29 : 5,935.68 = 2,109.06 : x
  2. Step 2: Convert to fraction form
    3,958.29/5,935.68 = 2,109.06/x
  3. Step 3: Cross multiply
    3,958.29x = 5,935.68 × 2,109.06
  4. Step 4: Simplify right side
    3,958.29x = 12,518,705.26
  5. Step 5: Solve for x
    x = 12,518,705.26/3,958.29
  6. Step 6: Final answer
    x = 3,162.65

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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.