Home / 1,745.67-2,618.87-1,571.40

Finding the Fourth Proportional to 1,745.67, 2,618.87 and 1,571.40

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Solution

The fourth proportional to 1,745.67, 2,618.87 and 1,571.40 is: 2,357.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,745.67 : 2,618.87 = 1,571.40 : x
  2. Step 2: Convert to fraction form
    1,745.67/2,618.87 = 1,571.40/x
  3. Step 3: Cross multiply
    1,745.67x = 2,618.87 × 1,571.40
  4. Step 4: Simplify right side
    1,745.67x = 4,115,292.32
  5. Step 5: Solve for x
    x = 4,115,292.32/1,745.67
  6. Step 6: Final answer
    x = 2,357.43

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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.