Home / 2,150.34-3,225.52-851.81

Finding the Fourth Proportional to 2,150.34, 3,225.52 and 851.81

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Solution

The fourth proportional to 2,150.34, 3,225.52 and 851.81 is: 1,277.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,150.34 : 3,225.52 = 851.81 : x
  2. Step 2: Convert to fraction form
    2,150.34/3,225.52 = 851.81/x
  3. Step 3: Cross multiply
    2,150.34x = 3,225.52 × 851.81
  4. Step 4: Simplify right side
    2,150.34x = 2,747,515.13
  5. Step 5: Solve for x
    x = 2,747,515.13/2,150.34
  6. Step 6: Final answer
    x = 1,277.71

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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.