Home / 3,949.68-5,925.14-2,390.82

Finding the Fourth Proportional to 3,949.68, 5,925.14 and 2,390.82

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Solution

The fourth proportional to 3,949.68, 5,925.14 and 2,390.82 is: 3,586.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,949.68 : 5,925.14 = 2,390.82 : x
  2. Step 2: Convert to fraction form
    3,949.68/5,925.14 = 2,390.82/x
  3. Step 3: Cross multiply
    3,949.68x = 5,925.14 × 2,390.82
  4. Step 4: Simplify right side
    3,949.68x = 14,165,943.21
  5. Step 5: Solve for x
    x = 14,165,943.21/3,949.68
  6. Step 6: Final answer
    x = 3,586.61

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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.