Home / 2,237.12-3,355.94-851.50

Finding the Fourth Proportional to 2,237.12, 3,355.94 and 851.50

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Solution

The fourth proportional to 2,237.12, 3,355.94 and 851.50 is: 1,277.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,237.12 : 3,355.94 = 851.50 : x
  2. Step 2: Convert to fraction form
    2,237.12/3,355.94 = 851.50/x
  3. Step 3: Cross multiply
    2,237.12x = 3,355.94 × 851.50
  4. Step 4: Simplify right side
    2,237.12x = 2,857,582.91
  5. Step 5: Solve for x
    x = 2,857,582.91/2,237.12
  6. Step 6: Final answer
    x = 1,277.35

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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.