Home / 2,458.38-3,687.99-998.55

Finding the Fourth Proportional to 2,458.38, 3,687.99 and 998.55

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Solution

The fourth proportional to 2,458.38, 3,687.99 and 998.55 is: 1,498.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,458.38 : 3,687.99 = 998.55 : x
  2. Step 2: Convert to fraction form
    2,458.38/3,687.99 = 998.55/x
  3. Step 3: Cross multiply
    2,458.38x = 3,687.99 × 998.55
  4. Step 4: Simplify right side
    2,458.38x = 3,682,642.41
  5. Step 5: Solve for x
    x = 3,682,642.41/2,458.38
  6. Step 6: Final answer
    x = 1,498.00

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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.