Home / 3,944.34-5,439.60-2,451.78

Finding the Fourth Proportional to 3,944.34, 5,439.60 and 2,451.78

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Solution

The fourth proportional to 3,944.34, 5,439.60 and 2,451.78 is: 3,381.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,944.34 : 5,439.60 = 2,451.78 : x
  2. Step 2: Convert to fraction form
    3,944.34/5,439.60 = 2,451.78/x
  3. Step 3: Cross multiply
    3,944.34x = 5,439.60 × 2,451.78
  4. Step 4: Simplify right side
    3,944.34x = 13,336,702.49
  5. Step 5: Solve for x
    x = 13,336,702.49/3,944.34
  6. Step 6: Final answer
    x = 3,381.23

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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.