Home / 3,949.11-5,920.63-1,576.92

Finding the Fourth Proportional to 3,949.11, 5,920.63 and 1,576.92

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Solution

The fourth proportional to 3,949.11, 5,920.63 and 1,576.92 is: 2,364.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,949.11 : 5,920.63 = 1,576.92 : x
  2. Step 2: Convert to fraction form
    3,949.11/5,920.63 = 1,576.92/x
  3. Step 3: Cross multiply
    3,949.11x = 5,920.63 × 1,576.92
  4. Step 4: Simplify right side
    3,949.11x = 9,336,378.12
  5. Step 5: Solve for x
    x = 9,336,378.12/3,949.11
  6. Step 6: Final answer
    x = 2,364.17

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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.