Home / 3,950.37-5,450.90-2,271.38

Finding the Fourth Proportional to 3,950.37, 5,450.90 and 2,271.38

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Solution

The fourth proportional to 3,950.37, 5,450.90 and 2,271.38 is: 3,134.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,950.37 : 5,450.90 = 2,271.38 : x
  2. Step 2: Convert to fraction form
    3,950.37/5,450.90 = 2,271.38/x
  3. Step 3: Cross multiply
    3,950.37x = 5,450.90 × 2,271.38
  4. Step 4: Simplify right side
    3,950.37x = 12,381,026.63
  5. Step 5: Solve for x
    x = 12,381,026.63/3,950.37
  6. Step 6: Final answer
    x = 3,134.14

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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.