Home / 2,723.62-3,758.20-1,603.90

Finding the Fourth Proportional to 2,723.62, 3,758.20 and 1,603.90

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Solution

The fourth proportional to 2,723.62, 3,758.20 and 1,603.90 is: 2,213.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,723.62 : 3,758.20 = 1,603.90 : x
  2. Step 2: Convert to fraction form
    2,723.62/3,758.20 = 1,603.90/x
  3. Step 3: Cross multiply
    2,723.62x = 3,758.20 × 1,603.90
  4. Step 4: Simplify right side
    2,723.62x = 6,027,776.98
  5. Step 5: Solve for x
    x = 6,027,776.98/2,723.62
  6. Step 6: Final answer
    x = 2,213.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.