Home / 2,745.75-4,110.55-1,702.40

Finding the Fourth Proportional to 2,745.75, 4,110.55 and 1,702.40

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Solution

The fourth proportional to 2,745.75, 4,110.55 and 1,702.40 is: 2,548.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,745.75 : 4,110.55 = 1,702.40 : x
  2. Step 2: Convert to fraction form
    2,745.75/4,110.55 = 1,702.40/x
  3. Step 3: Cross multiply
    2,745.75x = 4,110.55 × 1,702.40
  4. Step 4: Simplify right side
    2,745.75x = 6,997,798.63
  5. Step 5: Solve for x
    x = 6,997,798.63/2,745.75
  6. Step 6: Final answer
    x = 2,548.59

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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.