Home / 3,260.70-4,880.12-3,216.96

Finding the Fourth Proportional to 3,260.70, 4,880.12 and 3,216.96

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Solution

The fourth proportional to 3,260.70, 4,880.12 and 3,216.96 is: 4,814.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,260.70 : 4,880.12 = 3,216.96 : x
  2. Step 2: Convert to fraction form
    3,260.70/4,880.12 = 3,216.96/x
  3. Step 3: Cross multiply
    3,260.70x = 4,880.12 × 3,216.96
  4. Step 4: Simplify right side
    3,260.70x = 15,699,134.75
  5. Step 5: Solve for x
    x = 15,699,134.75/3,260.70
  6. Step 6: Final answer
    x = 4,814.65

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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.