Home / 3,944.80-5,440.48-2,372.60

Finding the Fourth Proportional to 3,944.80, 5,440.48 and 2,372.60

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Solution

The fourth proportional to 3,944.80, 5,440.48 and 2,372.60 is: 3,272.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,944.80 : 5,440.48 = 2,372.60 : x
  2. Step 2: Convert to fraction form
    3,944.80/5,440.48 = 2,372.60/x
  3. Step 3: Cross multiply
    3,944.80x = 5,440.48 × 2,372.60
  4. Step 4: Simplify right side
    3,944.80x = 12,908,082.85
  5. Step 5: Solve for x
    x = 12,908,082.85/3,944.80
  6. Step 6: Final answer
    x = 3,272.18

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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.