Home / 2,438.15-3,653.79-1,396.59

Finding the Fourth Proportional to 2,438.15, 3,653.79 and 1,396.59

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Solution

The fourth proportional to 2,438.15, 3,653.79 and 1,396.59 is: 2,092.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,438.15 : 3,653.79 = 1,396.59 : x
  2. Step 2: Convert to fraction form
    2,438.15/3,653.79 = 1,396.59/x
  3. Step 3: Cross multiply
    2,438.15x = 3,653.79 × 1,396.59
  4. Step 4: Simplify right side
    2,438.15x = 5,102,846.58
  5. Step 5: Solve for x
    x = 5,102,846.58/2,438.15
  6. Step 6: Final answer
    x = 2,092.92

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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.