Home / 3,950.46-5,451.21-2,271.87

Finding the Fourth Proportional to 3,950.46, 5,451.21 and 2,271.87

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Solution

The fourth proportional to 3,950.46, 5,451.21 and 2,271.87 is: 3,134.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,950.46 : 5,451.21 = 2,271.87 : x
  2. Step 2: Convert to fraction form
    3,950.46/5,451.21 = 2,271.87/x
  3. Step 3: Cross multiply
    3,950.46x = 5,451.21 × 2,271.87
  4. Step 4: Simplify right side
    3,950.46x = 12,384,440.46
  5. Step 5: Solve for x
    x = 12,384,440.46/3,950.46
  6. Step 6: Final answer
    x = 3,134.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.