Home / 3,311.08-4,960.24-1,665.68

Finding the Fourth Proportional to 3,311.08, 4,960.24 and 1,665.68

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Solution

The fourth proportional to 3,311.08, 4,960.24 and 1,665.68 is: 2,495.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,311.08 : 4,960.24 = 1,665.68 : x
  2. Step 2: Convert to fraction form
    3,311.08/4,960.24 = 1,665.68/x
  3. Step 3: Cross multiply
    3,311.08x = 4,960.24 × 1,665.68
  4. Step 4: Simplify right side
    3,311.08x = 8,262,172.56
  5. Step 5: Solve for x
    x = 8,262,172.56/3,311.08
  6. Step 6: Final answer
    x = 2,495.31

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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.