Home / 3,967.45-5,946.87-2,581.77

Finding the Fourth Proportional to 3,967.45, 5,946.87 and 2,581.77

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Solution

The fourth proportional to 3,967.45, 5,946.87 and 2,581.77 is: 3,869.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,967.45 : 5,946.87 = 2,581.77 : x
  2. Step 2: Convert to fraction form
    3,967.45/5,946.87 = 2,581.77/x
  3. Step 3: Cross multiply
    3,967.45x = 5,946.87 × 2,581.77
  4. Step 4: Simplify right side
    3,967.45x = 15,353,450.56
  5. Step 5: Solve for x
    x = 15,353,450.56/3,967.45
  6. Step 6: Final answer
    x = 3,869.85

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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.