Home / 1,745.00-2,404.53-1,621.95

Finding the Fourth Proportional to 1,745.00, 2,404.53 and 1,621.95

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Solution

The fourth proportional to 1,745.00, 2,404.53 and 1,621.95 is: 2,234.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,745.00 : 2,404.53 = 1,621.95 : x
  2. Step 2: Convert to fraction form
    1,745.00/2,404.53 = 1,621.95/x
  3. Step 3: Cross multiply
    1,745.00x = 2,404.53 × 1,621.95
  4. Step 4: Simplify right side
    1,745.00x = 3,900,027.43
  5. Step 5: Solve for x
    x = 3,900,027.43/1,745.00
  6. Step 6: Final answer
    x = 2,234.97

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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.