Home / 3,162.40-4,743.60-1,702.24

Finding the Fourth Proportional to 3,162.40, 4,743.60 and 1,702.24

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Solution

The fourth proportional to 3,162.40, 4,743.60 and 1,702.24 is: 2,553.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,162.40 : 4,743.60 = 1,702.24 : x
  2. Step 2: Convert to fraction form
    3,162.40/4,743.60 = 1,702.24/x
  3. Step 3: Cross multiply
    3,162.40x = 4,743.60 × 1,702.24
  4. Step 4: Simplify right side
    3,162.40x = 8,074,745.66
  5. Step 5: Solve for x
    x = 8,074,745.66/3,162.40
  6. Step 6: Final answer
    x = 2,553.36

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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.