Home / 2,757.90-4,137.41-1,603.38

Finding the Fourth Proportional to 2,757.90, 4,137.41 and 1,603.38

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Solution

The fourth proportional to 2,757.90, 4,137.41 and 1,603.38 is: 2,405.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,757.90 : 4,137.41 = 1,603.38 : x
  2. Step 2: Convert to fraction form
    2,757.90/4,137.41 = 1,603.38/x
  3. Step 3: Cross multiply
    2,757.90x = 4,137.41 × 1,603.38
  4. Step 4: Simplify right side
    2,757.90x = 6,633,840.45
  5. Step 5: Solve for x
    x = 6,633,840.45/2,757.90
  6. Step 6: Final answer
    x = 2,405.40

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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.