Home / 3,942.57-5,441.38-2,370.67

Finding the Fourth Proportional to 3,942.57, 5,441.38 and 2,370.67

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Solution

The fourth proportional to 3,942.57, 5,441.38 and 2,370.67 is: 3,271.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,942.57 : 5,441.38 = 2,370.67 : x
  2. Step 2: Convert to fraction form
    3,942.57/5,441.38 = 2,370.67/x
  3. Step 3: Cross multiply
    3,942.57x = 5,441.38 × 2,370.67
  4. Step 4: Simplify right side
    3,942.57x = 12,899,696.79
  5. Step 5: Solve for x
    x = 12,899,696.79/3,942.57
  6. Step 6: Final answer
    x = 3,271.90

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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.