Home / 3,451.54-4,756.96-2,817.98

Finding the Fourth Proportional to 3,451.54, 4,756.96 and 2,817.98

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Solution

The fourth proportional to 3,451.54, 4,756.96 and 2,817.98 is: 3,883.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,451.54 : 4,756.96 = 2,817.98 : x
  2. Step 2: Convert to fraction form
    3,451.54/4,756.96 = 2,817.98/x
  3. Step 3: Cross multiply
    3,451.54x = 4,756.96 × 2,817.98
  4. Step 4: Simplify right side
    3,451.54x = 13,405,022.99
  5. Step 5: Solve for x
    x = 13,405,022.99/3,451.54
  6. Step 6: Final answer
    x = 3,883.78

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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.