Home / 3,942.77-5,441.97-2,370.56

Finding the Fourth Proportional to 3,942.77, 5,441.97 and 2,370.56

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Solution

The fourth proportional to 3,942.77, 5,441.97 and 2,370.56 is: 3,271.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,942.77 : 5,441.97 = 2,370.56 : x
  2. Step 2: Convert to fraction form
    3,942.77/5,441.97 = 2,370.56/x
  3. Step 3: Cross multiply
    3,942.77x = 5,441.97 × 2,370.56
  4. Step 4: Simplify right side
    3,942.77x = 12,900,516.40
  5. Step 5: Solve for x
    x = 12,900,516.40/3,942.77
  6. Step 6: Final answer
    x = 3,271.94

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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.