Home / 2,220.05-3,329.26-758.81

Finding the Fourth Proportional to 2,220.05, 3,329.26 and 758.81

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Solution

The fourth proportional to 2,220.05, 3,329.26 and 758.81 is: 1,137.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,220.05 : 3,329.26 = 758.81 : x
  2. Step 2: Convert to fraction form
    2,220.05/3,329.26 = 758.81/x
  3. Step 3: Cross multiply
    2,220.05x = 3,329.26 × 758.81
  4. Step 4: Simplify right side
    2,220.05x = 2,526,282.21
  5. Step 5: Solve for x
    x = 2,526,282.21/2,220.05
  6. Step 6: Final answer
    x = 1,137.94

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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.