Home / 2,418.10-3,627.18-663.08

Finding the Fourth Proportional to 2,418.10, 3,627.18 and 663.08

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Solution

The fourth proportional to 2,418.10, 3,627.18 and 663.08 is: 994.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,418.10 : 3,627.18 = 663.08 : x
  2. Step 2: Convert to fraction form
    2,418.10/3,627.18 = 663.08/x
  3. Step 3: Cross multiply
    2,418.10x = 3,627.18 × 663.08
  4. Step 4: Simplify right side
    2,418.10x = 2,405,092.38
  5. Step 5: Solve for x
    x = 2,405,092.38/2,418.10
  6. Step 6: Final answer
    x = 994.62

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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.