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Finding the Fourth Proportional to 3,960.42, 5,944.02 and 2,207.19

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Solution

The fourth proportional to 3,960.42, 5,944.02 and 2,207.19 is: 3,312.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,960.42 : 5,944.02 = 2,207.19 : x
  2. Step 2: Convert to fraction form
    3,960.42/5,944.02 = 2,207.19/x
  3. Step 3: Cross multiply
    3,960.42x = 5,944.02 × 2,207.19
  4. Step 4: Simplify right side
    3,960.42x = 13,119,581.50
  5. Step 5: Solve for x
    x = 13,119,581.50/3,960.42
  6. Step 6: Final answer
    x = 3,312.67

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1.5x scale

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.