Home / 2,438.10-3,653.72-1,396.55

Finding the Fourth Proportional to 2,438.10, 3,653.72 and 1,396.55

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Solution

The fourth proportional to 2,438.10, 3,653.72 and 1,396.55 is: 2,092.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,438.10 : 3,653.72 = 1,396.55 : x
  2. Step 2: Convert to fraction form
    2,438.10/3,653.72 = 1,396.55/x
  3. Step 3: Cross multiply
    2,438.10x = 3,653.72 × 1,396.55
  4. Step 4: Simplify right side
    2,438.10x = 5,102,577.41
  5. Step 5: Solve for x
    x = 5,102,577.41/2,438.10
  6. Step 6: Final answer
    x = 2,092.85

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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.