Home / 3,188.44-4,779.78-1,135.96

Finding the Fourth Proportional to 3,188.44, 4,779.78 and 1,135.96

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Solution

The fourth proportional to 3,188.44, 4,779.78 and 1,135.96 is: 1,702.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,188.44 : 4,779.78 = 1,135.96 : x
  2. Step 2: Convert to fraction form
    3,188.44/4,779.78 = 1,135.96/x
  3. Step 3: Cross multiply
    3,188.44x = 4,779.78 × 1,135.96
  4. Step 4: Simplify right side
    3,188.44x = 5,429,638.89
  5. Step 5: Solve for x
    x = 5,429,638.89/3,188.44
  6. Step 6: Final answer
    x = 1,702.91

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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.