Home / 3,450.60-5,165.10-2,716.20

Finding the Fourth Proportional to 3,450.60, 5,165.10 and 2,716.20

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Solution

The fourth proportional to 3,450.60, 5,165.10 and 2,716.20 is: 4,065.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,450.60 : 5,165.10 = 2,716.20 : x
  2. Step 2: Convert to fraction form
    3,450.60/5,165.10 = 2,716.20/x
  3. Step 3: Cross multiply
    3,450.60x = 5,165.10 × 2,716.20
  4. Step 4: Simplify right side
    3,450.60x = 14,029,444.62
  5. Step 5: Solve for x
    x = 14,029,444.62/3,450.60
  6. Step 6: Final answer
    x = 4,065.80

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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.