Home / 2,418.39-3,628.89-957.56

Finding the Fourth Proportional to 2,418.39, 3,628.89 and 957.56

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Solution

The fourth proportional to 2,418.39, 3,628.89 and 957.56 is: 1,436.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,418.39 : 3,628.89 = 957.56 : x
  2. Step 2: Convert to fraction form
    2,418.39/3,628.89 = 957.56/x
  3. Step 3: Cross multiply
    2,418.39x = 3,628.89 × 957.56
  4. Step 4: Simplify right side
    2,418.39x = 3,474,861.76
  5. Step 5: Solve for x
    x = 3,474,861.76/2,418.39
  6. Step 6: Final answer
    x = 1,436.85

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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.