Home / 2,418.30-3,628.26-957.60

Finding the Fourth Proportional to 2,418.30, 3,628.26 and 957.60

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Solution

The fourth proportional to 2,418.30, 3,628.26 and 957.60 is: 1,436.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,418.30 : 3,628.26 = 957.60 : x
  2. Step 2: Convert to fraction form
    2,418.30/3,628.26 = 957.60/x
  3. Step 3: Cross multiply
    2,418.30x = 3,628.26 × 957.60
  4. Step 4: Simplify right side
    2,418.30x = 3,474,421.78
  5. Step 5: Solve for x
    x = 3,474,421.78/2,418.30
  6. Step 6: Final answer
    x = 1,436.72

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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.