Home / 1,745.89-2,617.35-1,382.35

Finding the Fourth Proportional to 1,745.89, 2,617.35 and 1,382.35

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Solution

The fourth proportional to 1,745.89, 2,617.35 and 1,382.35 is: 2,072.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,745.89 : 2,617.35 = 1,382.35 : x
  2. Step 2: Convert to fraction form
    1,745.89/2,617.35 = 1,382.35/x
  3. Step 3: Cross multiply
    1,745.89x = 2,617.35 × 1,382.35
  4. Step 4: Simplify right side
    1,745.89x = 3,618,093.77
  5. Step 5: Solve for x
    x = 3,618,093.77/1,745.89
  6. Step 6: Final answer
    x = 2,072.35

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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.