Home / 3,975.57-5,964.33-2,807.85

Finding the Fourth Proportional to 3,975.57, 5,964.33 and 2,807.85

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Solution

The fourth proportional to 3,975.57, 5,964.33 and 2,807.85 is: 4,212.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,975.57 : 5,964.33 = 2,807.85 : x
  2. Step 2: Convert to fraction form
    3,975.57/5,964.33 = 2,807.85/x
  3. Step 3: Cross multiply
    3,975.57x = 5,964.33 × 2,807.85
  4. Step 4: Simplify right side
    3,975.57x = 16,746,929.95
  5. Step 5: Solve for x
    x = 16,746,929.95/3,975.57
  6. Step 6: Final answer
    x = 4,212.46

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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.