Home / 3,951.45-5,451.30-2,460.11

Finding the Fourth Proportional to 3,951.45, 5,451.30 and 2,460.11

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Solution

The fourth proportional to 3,951.45, 5,451.30 and 2,460.11 is: 3,393.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,951.45 : 5,451.30 = 2,460.11 : x
  2. Step 2: Convert to fraction form
    3,951.45/5,451.30 = 2,460.11/x
  3. Step 3: Cross multiply
    3,951.45x = 5,451.30 × 2,460.11
  4. Step 4: Simplify right side
    3,951.45x = 13,410,770.39
  5. Step 5: Solve for x
    x = 13,410,770.39/3,951.45
  6. Step 6: Final answer
    x = 3,393.89

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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.